diff options
Diffstat (limited to 'llvm/test/tools/llvm-reduce')
| -rw-r--r-- | llvm/test/tools/llvm-reduce/inline-call-sites-cost.ll | 95 | ||||
| -rw-r--r-- | llvm/test/tools/llvm-reduce/inline-call-sites.ll | 765 |
2 files changed, 860 insertions, 0 deletions
diff --git a/llvm/test/tools/llvm-reduce/inline-call-sites-cost.ll b/llvm/test/tools/llvm-reduce/inline-call-sites-cost.ll new file mode 100644 index 0000000..fc25ca4 --- /dev/null +++ b/llvm/test/tools/llvm-reduce/inline-call-sites-cost.ll @@ -0,0 +1,95 @@ +; RUN: llvm-reduce --abort-on-invalid-reduction --delta-passes=inline-call-sites -reduce-callsite-inline-threshold=3 --test FileCheck --test-arg --check-prefix=CHECK --test-arg %s --test-arg --input-file %s -o %t +; RUN: FileCheck -check-prefixes=RESULT,CHECK %s < %t + +declare void @extern_b() +declare void @extern_a() + +; RESULT: @gv_init = global ptr @no_inline_noncall_user +@gv_init = global ptr @no_inline_noncall_user + + +; CHECK-LABEL: define void @no_inline_noncall_user( +define void @no_inline_noncall_user() { + call void @extern_a() + call void @extern_a() + call void @extern_a() + call void @extern_a() + ret void +} + +; RESULT-LABEL: define void @noncall_user_call() { +; RESULT-NEXT: call void @no_inline_noncall_user() +; RESULT-NEXT: ret void +define void @noncall_user_call() { + call void @no_inline_noncall_user() + ret void +} + +; RESULT-LABEL: define void @big_callee_small_caller_callee() { +define void @big_callee_small_caller_callee() { + call void @extern_a() + call void @extern_a() + call void @extern_a() + call void @extern_a() + ret void +} + +; RESULT-LABEL: define void @big_callee_small_caller_caller() { +; RESULT-NEXT: call void @extern_b() +; RESULT-NEXT: call void @extern_a() +; RESULT-NEXT: call void @extern_a() +; RESULT-NEXT: call void @extern_a() +; RESULT-NEXT: call void @extern_a() +; RESULT-NEXT: ret void +define void @big_callee_small_caller_caller() { + call void @extern_b() + call void @big_callee_small_caller_callee() + ret void +} + +; RESULT-LABEL: define void @small_callee_big_caller_callee() { +; RESULT-NEXT: call void @extern_a() +; RESULT-NEXT: ret void +define void @small_callee_big_caller_callee() { + call void @extern_a() + ret void +} + +; RESULT-LABEL: define void @small_callee_big_caller_caller() { +; RESULT-NEXT: call void @extern_b() +; RESULT-NEXT: call void @extern_a() +; RESULT-NEXT: call void @extern_b() +; RESULT-NEXT: call void @extern_b() +; RESULT-NEXT: ret void +define void @small_callee_big_caller_caller() { + call void @extern_b() + call void @small_callee_big_caller_callee() + call void @extern_b() + call void @extern_b() + ret void +} + +; RESULT-LABEL: define void @big_callee_big_caller_callee() { +define void @big_callee_big_caller_callee() { + call void @extern_a() + call void @extern_a() + call void @extern_a() + call void @extern_a() + ret void +} + +; RESULT-LABEL: define void @big_callee_big_caller_caller() { +; RESULT-NEXT: call void @extern_b() +; RESULT-NEXT: call void @big_callee_big_caller_callee() +; RESULT-NEXT: call void @extern_b() +; RESULT-NEXT: call void @extern_b() +; RESULT-NEXT: call void @extern_b() +; RESULT-NEXT: ret void +define void @big_callee_big_caller_caller() { + call void @extern_b() + call void @big_callee_big_caller_callee() + call void @extern_b() + call void @extern_b() + call void @extern_b() + ret void +} diff --git a/llvm/test/tools/llvm-reduce/inline-call-sites.ll b/llvm/test/tools/llvm-reduce/inline-call-sites.ll new file mode 100644 index 0000000..34775d9 --- /dev/null +++ b/llvm/test/tools/llvm-reduce/inline-call-sites.ll @@ -0,0 +1,765 @@ +; RUN: llvm-reduce --abort-on-invalid-reduction --delta-passes=inline-call-sites -reduce-callsite-inline-threshold=-1 --test FileCheck --test-arg --check-prefixes=CHECK,INTERESTING --test-arg %s --test-arg --input-file %s -o %t +; RUN: FileCheck -check-prefixes=RESULT,CHECK %s < %t + +; RESULT: @gv = global [2 x ptr] [ptr @only_gv_user, ptr @simple_callee] +@gv = global [2 x ptr] [ptr @only_gv_user, ptr @simple_callee] + +; RESULT: @indirectbr.L = internal unnamed_addr constant [3 x ptr] [ptr blockaddress(@callee_with_indirectbr, %L1), ptr blockaddress(@callee_with_indirectbr, %L2), ptr null], align 8 +@indirectbr.L = internal unnamed_addr constant [3 x ptr] [ptr blockaddress(@callee_with_indirectbr, %L1), ptr blockaddress(@callee_with_indirectbr, %L2), ptr null], align 8 + + +; CHECK-LABEL: define void @simple_callee( +; RESULT-NEXT: store i32 123, ptr %arg, align 4 +; RESULT-NEXT: ret void +define void @simple_callee(ptr %arg) { + store i32 123, ptr %arg + ret void +} + +; CHECK-LABEL: define void @simple_caller( +; RESULT-NEXT: store i32 123, ptr %outer.arg, align 4 +; RESULT-NEXT: ret void +define void @simple_caller(ptr %outer.arg) { + call void @simple_callee(ptr %outer.arg) + ret void +} + +; CHECK-LABEL: define void @multi_simple_caller( +; RESULT-NEXT: store i32 123, ptr %outer.arg, align 4 +; RESULT-NEXT: store i32 123, ptr %outer.arg, align 4 +; RESULT-NEXT: store i32 123, ptr null, align 4 +; RESULT-NEXT: ret void +define void @multi_simple_caller(ptr %outer.arg) { + call void @simple_callee(ptr %outer.arg) + call void @simple_callee(ptr %outer.arg) + call void @simple_callee(ptr null) + ret void +} + +; CHECK-LABEL: define void @only_gv_user( +; RESULT-NEXT: store i32 666, ptr %arg, align 4 +; RESULT-NEXT: ret void +define void @only_gv_user(ptr %arg) { + store i32 666, ptr %arg + ret void +} + +; CHECK-LABEL: define void @recursive( +; RESULT-NEXT: call void @recursive(ptr %arg) +; RESULT-NEXT: ret void +define void @recursive(ptr %arg) { + call void @recursive(ptr %arg) + ret void +} + +; CHECK-LABEL: define void @recursive_with_wrong_callsite_type( +; RESULT-NEXT: call void @recursive_with_wrong_callsite_type(ptr %arg, i32 2) +; RESULT-NEXT: ret void +define void @recursive_with_wrong_callsite_type(ptr %arg) { + call void @recursive_with_wrong_callsite_type(ptr %arg, i32 2) + ret void +} + +; CHECK-LABEL: define void @non_callee_use( +; RESULT-NEXT: store i32 567, ptr %arg, align 4 +; RESULT-NEXT: ret void +define void @non_callee_use(ptr %arg) { + store i32 567, ptr %arg + ret void +} + +declare void @extern_ptr_use(ptr) + +; CHECK-LABEL: define void @non_callee_user( +; RESULT-NEXT: call void @extern_ptr_use(ptr @non_callee_use) +; RESULT-NEXT: ret void +define void @non_callee_user() { + call void @extern_ptr_use(ptr @non_callee_use) + ret void +} + +; CHECK-LABEL: define void @non_call_inst_use( +define void @non_call_inst_use(ptr %arg) { + store i32 999, ptr %arg + ret void +} + +; CHECK-LABEL: define void @non_call_inst_user( +; RESULT-NEXT: store ptr @non_call_inst_use, ptr %arg, align 8 +; RESULT-NEXT: ret void +define void @non_call_inst_user(ptr %arg) { + store ptr @non_call_inst_use, ptr %arg + ret void +} + +; CHECK-LABEL: define i32 @used_wrong_call_type( +; RESULT-NEXT: store i32 123, ptr %arg, align 4 +; RESULT-NEXT: ret i32 8 +define i32 @used_wrong_call_type(ptr %arg) { + store i32 123, ptr %arg + ret i32 8 +} + +; Inlining doesn't support the UB cases +; CHECK-LABEL: define void @use_wrong_call_type( +; RESULT-NEXT: call void @used_wrong_call_type(ptr %outer.arg) +; RESULT-NEXT: ret void +define void @use_wrong_call_type(ptr %outer.arg) { + call void @used_wrong_call_type(ptr %outer.arg) + ret void +} + +; INTERESTING-LABEL: define void @incompatible_gc_callee( + +; RESULT-LABEL: define void @incompatible_gc_callee(ptr %arg) gc "gc0" { +; RESULT-NEXT: store i32 10000, ptr %arg, align 4 +; RESULT-NEXT: ret void +define void @incompatible_gc_callee(ptr %arg) gc "gc0" { + store i32 10000, ptr %arg + ret void +} + +; INTERESTING-LABEL: define void @incompatible_gc_caller( + +; RESULT-LABEL: define void @incompatible_gc_caller(ptr %outer.arg) gc "gc1" { +; RESULT-NEXT: call void @incompatible_gc_callee(ptr %outer.arg) +; RESULT-NEXT: ret void +define void @incompatible_gc_caller(ptr %outer.arg) gc "gc1" { + call void @incompatible_gc_callee(ptr %outer.arg) + ret void +} + +; INTERESTING-LABEL: define void @propagate_callee_gc( + +; RESULT-LABEL: define void @propagate_callee_gc(ptr %arg) gc "propagate-gc" { +; RESULT-NEXT: store i32 10000, ptr %arg, align 4 +; RESULT-NEXT: ret void +define void @propagate_callee_gc(ptr %arg) gc "propagate-gc" { + store i32 10000, ptr %arg + ret void +} + +; INTERESTING-LABEL: define void @propagate_caller_gc( + +; RESULT-LABEL: define void @propagate_caller_gc(ptr %arg) gc "propagate-gc" { +; RESULT-NEXT: store i32 10000, ptr %arg, align 4 +; RESULT-NEXT: ret void +define void @propagate_caller_gc(ptr %arg) { + call void @propagate_callee_gc(ptr %arg) + ret void +} + +declare i32 @__gxx_personality_v0(...) + +; INTERESTING-LABEL: define void @propagate_callee_personality( + +; RESULT-LABEL: define void @propagate_callee_personality(ptr %arg) personality ptr @__gxx_personality_v0 { +; RESULT-NEXT: store i32 2000, ptr %arg, align 4 +; RESULT-NEXT: ret void +define void @propagate_callee_personality(ptr %arg) personality ptr @__gxx_personality_v0 { + store i32 2000, ptr %arg + ret void +} + +; INTERESTING-LABEL: define void @propagate_caller_personality( + +; RESULT-LABEL: define void @propagate_caller_personality(ptr %arg) personality ptr @__gxx_personality_v0 { +; RESULT-NEXT: store i32 2000, ptr %arg, align 4 +; RESULT-NEXT: ret void +define void @propagate_caller_personality(ptr %arg) { + call void @propagate_callee_personality(ptr %arg) + ret void +} + +; CHECK-LABEL: define void @callee_with_indirectbr( +define void @callee_with_indirectbr() { +entry: + br label %L1 + +L1: ; preds = %entry, %L1 + %i = phi i32 [ 0, %entry ], [ %inc, %L1 ] + %inc = add i32 %i, 1 + %idxprom = zext i32 %i to i64 + %arrayidx = getelementptr inbounds [3 x ptr], ptr @indirectbr.L, i64 0, i64 %idxprom + %brtarget = load ptr, ptr %arrayidx, align 8 + indirectbr ptr %brtarget, [label %L1, label %L2] + +L2: ; preds = %L1 + ret void +} + +; CHECK-LABEL: define void @calls_func_with_indirectbr( + +; RESULT: L1.i: +; RESULT-NEXT: %i.i = phi i32 [ 0, %call ], [ %inc.i, %L1.i ] +; RESULT-NEXT: %inc.i = add i32 %i.i, 1 +; RESULT-NEXT: %idxprom.i = zext i32 %i.i to i64 +; RESULT-NEXT: %arrayidx.i = getelementptr inbounds [3 x ptr], ptr @indirectbr.L, i64 0, i64 %idxprom.i +; RESULT-NEXT: %brtarget.i = load ptr, ptr %arrayidx.i, align 8 +; RESULT-NEXT: indirectbr ptr %brtarget.i, [label %L1.i, label %callee_with_indirectbr.exit] + +define void @calls_func_with_indirectbr(i1 %arg0) { +entry: + br i1 %arg0, label %call, label %ret + +call: + call void @callee_with_indirectbr() + br label %ret + +ret: + ret void +} + + +; CHECK-LABEL: define ptr @callee_with_blockaddress_use( +; RESULT: L2: +; RESULT-NEXT: store ptr blockaddress(@callee_with_blockaddress_use, %L1), ptr %alloca, align 8 +; RESULT-NEXT: store ptr blockaddress(@callee_with_blockaddress_use, %L2), ptr %alloca, align 8 +; RESULT-NEXT: store ptr blockaddress(@callee_with_blockaddress_use, %L3), ptr %alloca, align 8 +; RESULT-NEXT: %cond1 = load volatile i1, ptr addrspace(1) null +; RESULT-NEXT: br i1 %cond1, label %L1, label %L3 +define ptr @callee_with_blockaddress_use() { +entry: + %alloca = alloca ptr + %cond0 = load volatile i1, ptr addrspace(1) null + br i1 %cond0, label %L1, label %L2 + +L1: + br label %L2 + +L2: + ; reference an earlier block + store ptr blockaddress(@callee_with_blockaddress_use, %L1), ptr %alloca + + ; reference the block itself from the block + store ptr blockaddress(@callee_with_blockaddress_use, %L2), ptr %alloca + + ; reference a later block + store ptr blockaddress(@callee_with_blockaddress_use, %L3), ptr %alloca + + %cond1 = load volatile i1, ptr addrspace(1) null + br i1 %cond1, label %L1, label %L3 + +L3: + %load = load ptr, ptr %alloca + ret ptr %load +} + +; FIXME: This is not correctly remapping the blockaddress use +; CHECK-LABEL: define void @calls_func_with_blockaddress_use( +; RESULT: entry: +; RESULT-NEXT: %alloca.i = alloca ptr, align 8 +; RESULT-NEXT: store i32 1000, ptr null, align 4 +; RESULT-NEXT: br i1 %arg0, label %call, label %ret + +; RESULT: call: +; RESULT-NEXT: store i32 2000, ptr null, align 4 +; RESULT-NEXT: call void @llvm.lifetime.start.p0(ptr %alloca.i) +; RESULT-NEXT: %cond0.i = load volatile i1, ptr addrspace(1) null, align 1 +; RESULT-NEXT: br i1 %cond0.i, label %L1.i, label %L2.i + +; RESULT: L1.i: ; preds = %L2.i, %call +; RESULT-NEXT: br label %L2.i + +; RESULT: L2.i: ; preds = %L1.i, %call +; RESULT-NEXT: store ptr blockaddress(@callee_with_blockaddress_use, %L1), ptr %alloca.i, align 8 +; RESULT-NEXT: store ptr blockaddress(@calls_func_with_blockaddress_use, %L2.i), ptr %alloca.i, align 8 +; RESULT-NEXT: store ptr blockaddress(@callee_with_blockaddress_use, %L3), ptr %alloca.i, align 8 +; RESULT-NEXT: %cond1.i = load volatile i1, ptr addrspace(1) null, align 1 +; RESULT-NEXT: br i1 %cond1.i, label %L1.i, label %callee_with_blockaddress_use.exit + +; RESULT: callee_with_blockaddress_use.exit: ; preds = %L2.i +; RESULT-NEXT: %load.i = load ptr, ptr %alloca.i, align 8 +; RESULT-NEXT: call void @llvm.lifetime.end.p0(ptr %alloca.i) +; RESULT-NEXT: store i32 3000, ptr null, align 4 +; RESULT-NEXT: br label %ret + +; RESULT: ret: ; preds = %callee_with_blockaddress_use.exit, %entry +; RESULT-NEXT: store i32 4000, ptr null, align 4 +; RESULT-NEXT: ret void +define void @calls_func_with_blockaddress_use(i1 %arg0) { +entry: + store i32 1000, ptr null + br i1 %arg0, label %call, label %ret + +call: + store i32 2000, ptr null + call ptr @callee_with_blockaddress_use() + store i32 3000, ptr null + br label %ret + +ret: + store i32 4000, ptr null + ret void +} + +; CHECK-LABEL: define void @callee_with_fallthrough_blockaddress_use( +; RESULT: L2: +; RESULT-NEXT: store ptr blockaddress(@callee_with_fallthrough_blockaddress_use, %L1), ptr %alloca, align 8 +; RESULT-NEXT: store ptr blockaddress(@callee_with_fallthrough_blockaddress_use, %L2), ptr %alloca, align 8 +; RESULT-NEXT: store ptr blockaddress(@callee_with_fallthrough_blockaddress_use, %L3), ptr %alloca, align 8 +; RESULT-NEXT: br label %L3 +define void @callee_with_fallthrough_blockaddress_use() { +entry: + %alloca = alloca ptr + br label %L1 + +L1: + store i32 999, ptr null + br label %L2 + +L2: ; preds = %entry, %L1 + ; reference a block before this block + store ptr blockaddress(@callee_with_fallthrough_blockaddress_use, %L1), ptr %alloca + + ; reference the block itself from the block + store ptr blockaddress(@callee_with_fallthrough_blockaddress_use, %L2), ptr %alloca + + ; reference a block after this block + store ptr blockaddress(@callee_with_fallthrough_blockaddress_use, %L3), ptr %alloca + br label %L3 + +L3: ; preds = %L1 + %load = load ptr, ptr %alloca + ret void +} + + +; CHECK-LABEL: define void @calls_func_with_fallthrough_blockaddress_use( +; RESULT: entry: +; RESULT-NEXT: %alloca.i = alloca ptr, align 8 +; RESULT-NEXT: store i32 1000, ptr null +; RESULT-NEXT: br i1 %arg0, label %call, label %ret + +; RESULT: call: +; RESULT-NEXT: store i32 2000, ptr null, align 4 +; RESULT-NEXT: call void @llvm.lifetime.start.p0(ptr %alloca.i) +; RESULT-NEXT: br label %L1.i + +; RESULT: L1.i: ; preds = %call +; RESULT-NEXT: store i32 999, ptr null, align 4 +; RESULT-NEXT: br label %L2.i + +; RESULT: L2.i: +; RESULT-NEXT: store ptr blockaddress(@calls_func_with_fallthrough_blockaddress_use, %L1.i), ptr %alloca.i, align 8 +; RESULT-NEXT: store ptr blockaddress(@calls_func_with_fallthrough_blockaddress_use, %L2.i), ptr %alloca.i, align 8 +; RESULT-NEXT: store ptr blockaddress(@callee_with_fallthrough_blockaddress_use, %L3), ptr %alloca.i, align 8 +; RESULT-NEXT: br label %callee_with_fallthrough_blockaddress_use.exit + +; RESULT: callee_with_fallthrough_blockaddress_use.exit: ; preds = %L2.i +; RESULT-NEXT: %load.i = load ptr, ptr %alloca.i, align 8 +; RESULT-NEXT: call void @llvm.lifetime.end.p0(ptr %alloca.i) +; RESULT-NEXT: store i32 3000, ptr null, align 4 +; RESULT-NEXT: br label %ret + +; RESULT: ret: +; RESULT-NEXT: store i32 4000, ptr null, align 4 +; RESULT-NEXT: ret void +define void @calls_func_with_fallthrough_blockaddress_use(i1 %arg0) { +entry: + store i32 1000, ptr null + br i1 %arg0, label %call, label %ret + +call: + store i32 2000, ptr null + call void @callee_with_fallthrough_blockaddress_use() + store i32 3000, ptr null + br label %ret + +ret: + store i32 4000, ptr null + ret void +} + +declare i32 @extern_returns_twice() returns_twice + +; CHECK-LABEL: define i32 @callee_returns_twice( +; RESULT-NEXT: %call = call i32 @extern_returns_twice() +; RESULT-NEXT: %add = add nsw i32 1, %call +; RESULT-NEXT: ret i32 %add +define i32 @callee_returns_twice() { + %call = call i32 @extern_returns_twice() + %add = add nsw i32 1, %call + ret i32 %add +} + +; CHECK-LABEL: define i32 @caller_returns_twice_calls_callee_returns_twice( +; RESULT-NEXT: %call.i = call i32 @extern_returns_twice() +; RESULT-NEXT: %add.i = add nsw i32 1, %call.i +; RESULT-NEXT: %add = add nsw i32 1, %add.i +; RESULT-NEXT: ret i32 %add + define i32 @caller_returns_twice_calls_callee_returns_twice() returns_twice { + %call = call i32 @callee_returns_twice() + %add = add nsw i32 1, %call + ret i32 %add +} + +; Inliner usually blocks inlining of returns_twice functions into +; non-returns_twice functions +; CHECK-LABEL: define i32 @regular_caller_calls_callee_returns_twice() { +; RESULT-NEXT: %call.i = call i32 @extern_returns_twice() +; RESULT-NEXT: %add.i = add nsw i32 1, %call.i +; RESULT-NEXT: %add = add nsw i32 1, %add.i +; RESULT-NEXT: ret i32 %add +define i32 @regular_caller_calls_callee_returns_twice() { + %call = call i32 @callee_returns_twice() + %add = add nsw i32 1, %call + ret i32 %add +} + +; CHECK-LABEL: define void @caller_with_vastart( +; RESULT-NEXT: %ap = alloca ptr, align 4 +; RESULT-NEXT: %ap2 = alloca ptr, align 4 +; RESULT-NEXT: call void @llvm.va_start.p0(ptr nonnull %ap) +; RESULT-NEXT: call void @llvm.va_end.p0(ptr nonnull %ap) +; RESULT-NEXT: call void @llvm.va_start.p0(ptr nonnull %ap) +; RESULT-NEXT: call void @llvm.va_end.p0(ptr nonnull %ap) +; RESULT-NEXT: ret void +define void @caller_with_vastart(ptr noalias nocapture readnone %args, ...) { + %ap = alloca ptr, align 4 + %ap2 = alloca ptr, align 4 + call void @llvm.va_start.p0(ptr nonnull %ap) + call fastcc void @callee_with_vaend(ptr nonnull %ap) + call void @llvm.va_start.p0(ptr nonnull %ap) + call fastcc void @callee_with_vaend_alwaysinline(ptr nonnull %ap) + ret void +} + +; CHECK-LABEL: define fastcc void @callee_with_vaend( +; RESULT-NEXT: tail call void @llvm.va_end.p0(ptr %a) +; RESULT-NEXT: ret void +define fastcc void @callee_with_vaend(ptr %a) { + tail call void @llvm.va_end.p0(ptr %a) + ret void +} + +; CHECK-LABEL: define internal fastcc void @callee_with_vaend_alwaysinline( +; RESULT-NEXT: tail call void @llvm.va_end.p0(ptr %a) +; RESULT-NEXT: ret void +define internal fastcc void @callee_with_vaend_alwaysinline(ptr %a) alwaysinline { + tail call void @llvm.va_end.p0(ptr %a) + ret void +} + +; CHECK-LABEL: define i32 @callee_with_va_start( +define i32 @callee_with_va_start(ptr %a, ...) { + %vargs = alloca ptr, align 8 + tail call void @llvm.va_start.p0(ptr %a) + %va1 = va_arg ptr %vargs, i32 + call void @llvm.va_end(ptr %vargs) + ret i32 %va1 +} + +; CHECK-LABEL: define i32 @callee_vastart_caller( +; RESULT-NEXT: %vargs.i = alloca ptr, align 8 +; RESULT-NEXT: %ap = alloca ptr, align 4 +; RESULT-NEXT: %b = load i32, ptr null, align 4 +; RESULT-NEXT: call void @llvm.lifetime.start.p0(ptr %vargs.i) +; RESULT-NEXT: call void @llvm.va_start.p0(ptr nonnull %ap) +; RESULT-NEXT: %va1.i = va_arg ptr %vargs.i, i32 +; RESULT-NEXT: call void @llvm.va_end.p0(ptr %vargs.i) +; RESULT-NEXT: call void @llvm.lifetime.end.p0(ptr %vargs.i) +; RESULT-NEXT: ret i32 %va1.i +define i32 @callee_vastart_caller(ptr noalias nocapture readnone %args, ...) { + %ap = alloca ptr, align 4 + %b = load i32, ptr null + %result = call i32 (ptr, ...) @callee_with_va_start(ptr nonnull %ap, i32 %b) + ret i32 %result +} + +declare void @llvm.localescape(...) + +; CHECK-LABEL: define internal void @callee_uses_localrecover( +define internal void @callee_uses_localrecover(ptr %fp) { + %a.i8 = call ptr @llvm.localrecover(ptr @callee_uses_localescape, ptr %fp, i32 0) + store i32 42, ptr %a.i8 + ret void +} + +; CHECK-LABEL: define i32 @callee_uses_localescape( +; RESULT-NEXT: %a = alloca i32, align 4 +; RESULT-NEXT: call void (...) @llvm.localescape(ptr %a) +; RESULT-NEXT: %fp = call ptr @llvm.frameaddress.p0(i32 0) +; RESULT-NEXT: %a.i8.i = call ptr @llvm.localrecover(ptr @callee_uses_localescape, ptr %fp, i32 0) +; RESULT-NEXT: store i32 42, ptr %a.i8.i, align 4 +; RESULT-NEXT: %r = load i32, ptr %a, align 4 +; RESULT-NEXT: ret i32 %r +define i32 @callee_uses_localescape() alwaysinline { + %a = alloca i32 + call void (...) @llvm.localescape(ptr %a) + %fp = call ptr @llvm.frameaddress(i32 0) + tail call void @callee_uses_localrecover(ptr %fp) + %r = load i32, ptr %a + ret i32 %r +} + +; CHECK-LABEL: define i32 @callee_uses_localescape_caller( +; RESULT-NEXT: %a.i = alloca i32, align 4 +; RESULT-NEXT: call void @llvm.lifetime.start.p0(ptr %a.i) +; RESULT-NEXT: call void (...) @llvm.localescape(ptr %a.i) +; RESULT-NEXT: %fp.i = call ptr @llvm.frameaddress.p0(i32 0) +; RESULT-NEXT: %a.i8.i.i = call ptr @llvm.localrecover(ptr @callee_uses_localescape, ptr %fp.i, i32 0) +; RESULT-NEXT: store i32 42, ptr %a.i8.i.i, align 4 +; RESULT-NEXT: %r.i = load i32, ptr %a.i, align 4 +; RESULT-NEXT: call void @llvm.lifetime.end.p0(ptr %a.i) +; RESULT-NEXT: ret i32 %r.i +define i32 @callee_uses_localescape_caller() { + %r = tail call i32 @callee_uses_localescape() + ret i32 %r +} + +declare void @llvm.icall.branch.funnel(...) + +; CHECK-LABEL: define void @callee_uses_branch_funnel( +; RESULT-NEXT: musttail call void (...) @llvm.icall.branch.funnel(...) +; RESULT-NEXT: ret void +define void @callee_uses_branch_funnel(...) { + musttail call void (...) @llvm.icall.branch.funnel(...) + ret void +} + +; FIXME: This should fail the verifier after inlining +; CHECK-LABEL: define void @callee_branch_funnel_musttail_caller( +; RESULT-NEXT: call void (...) @llvm.icall.branch.funnel() +; RESULT-NEXT: ret void +define void @callee_branch_funnel_musttail_caller() { + call void (...) @callee_uses_branch_funnel() + ret void +} + +; Ignore noinline on the callee function +; CHECK-LABEL: define void @noinline_callee( +; RESULT-NEXT: store i32 123, ptr %arg, align 4 +; RESULT-NEXT: ret void +define void @noinline_callee(ptr %arg) { + store i32 123, ptr %arg + ret void +} + +; CHECK-LABEL: define void @calls_noinline_func( +; RESULT-NEXT: store i32 123, ptr %outer.arg, align 4 +; RESULT-NEXT: ret void +define void @calls_noinline_func(ptr %outer.arg) { + call void @noinline_callee(ptr %outer.arg) + ret void +} + +; Ignore noinline on the callsite +; CHECK-LABEL: define void @calls_noinline_callsite( +; RESULT-NEXT: store i32 123, ptr %outer.arg, align 4 +; RESULT-NEXT: ret void +define void @calls_noinline_callsite(ptr %outer.arg) { + call void @simple_callee(ptr %outer.arg) noinline + ret void +} + +; Ignore optnone +; CHECK-LABEL: define void @optnone_callee( +; RESULT-NEXT: store i32 5555, ptr %arg, align 4 +; RESULT-NEXT: ret void +define void @optnone_callee(ptr %arg) optnone noinline { + store i32 5555, ptr %arg + ret void +} + +; CHECK-LABEL: define void @calls_optnone_callee( +; RESULT-NEXT: store i32 5555, ptr %outer.arg, align 4 +; RESULT-NEXT: ret void +define void @calls_optnone_callee(ptr %outer.arg) { + call void @optnone_callee(ptr %outer.arg) + ret void +} + +; CHECK-LABEL: define void @optnone_caller( +; RESULT-NEXT: store i32 123, ptr %outer.arg, align 4 +; RESULT-NEXT: ret void +define void @optnone_caller(ptr %outer.arg) optnone noinline { + call void @simple_callee(ptr %outer.arg) + ret void +} + +; CHECK-LABEL: define weak void @interposable_callee( +; RESULT-NEXT: store i32 2024, ptr %arg, align 4 +; RESULT-NEXT: ret void +define weak void @interposable_callee(ptr %arg) { + store i32 2024, ptr %arg + ret void +} + +; Ignore interposable linkage +; CHECK-LABEL: @calls_interposable_callee( +; RESULT-NEXT: store i32 2024, ptr %arg, align 4 +; RESULT-NEXT: ret void +define void @calls_interposable_callee(ptr %arg) { + call void @interposable_callee(ptr %arg) + ret void +} + +; Ignore null_pointer_is_valid +; CHECK-LABEL: @null_pointer_is_valid_callee( +; RESULT-NEXT: store i32 42069, ptr %arg, align 4 +; RESULT-NEXT: ret void +define void @null_pointer_is_valid_callee(ptr %arg) null_pointer_is_valid { + store i32 42069, ptr %arg + ret void +} + +; CHECK-LABEL: @calls_null_pointer_is_valid_callee( +; RESULT-NEXT: store i32 42069, ptr %arg, align 4 +; RESULT-NEXT: ret void +define void @calls_null_pointer_is_valid_callee(ptr %arg) { + call void @null_pointer_is_valid_callee(ptr %arg) + ret void +} + +; CHECK-LABEL: @byval_arg_uses_non_alloca_addrspace( +; RESULT-NEXT: %load = load i32, ptr addrspace(1) %arg, align 4 +; RESULT-NEXT: ret i32 %load +define i32 @byval_arg_uses_non_alloca_addrspace(ptr addrspace(1) byval(i32) %arg) { + %load = load i32, ptr addrspace(1) %arg + ret i32 %load +} + +; CHECK-LABEL: @calls_byval_arg_uses_non_alloca_addrspace( +; RESULT-NEXT: %arg1 = alloca i32, align 4, addrspace(1) +; RESULT-NEXT: call void @llvm.lifetime.start.p1(ptr addrspace(1) %arg1) +; RESULT-NEXT: call void @llvm.memcpy.p1.p1.i64(ptr addrspace(1) align 4 %arg1, ptr addrspace(1) %arg, i64 4, i1 false) +; RESULT-NEXT: %load.i = load i32, ptr addrspace(1) %arg1, align 4 +; RESULT-NEXT: call void @llvm.lifetime.end.p1(ptr addrspace(1) %arg1) +; RESULT-NEXT: ret i32 %load.i +define i32 @calls_byval_arg_uses_non_alloca_addrspace(ptr addrspace(1) %arg) { + %call = call i32 @byval_arg_uses_non_alloca_addrspace(ptr addrspace(1) byval(i32) %arg) + ret i32 %call +} + +; CHECK-LABEL: define void @callee_stacksize( +; RESULT-NEXT: %alloca = alloca [4096 x i32] +; RESULT-NEXT: store i32 12345678, ptr %arg +; RESULT-NEXT: store i32 0, ptr %alloca +; RESULT-NEXT: ret void +define void @callee_stacksize(ptr %arg) "inline-max-stacksize"="4" { + %alloca = alloca [4096 x i32] + store i32 12345678, ptr %arg + store i32 0, ptr %alloca + ret void +} + +; CHECK-LABEL: define void @caller_stacksize( +; RESULT-NEXT: %alloca.i = alloca [4096 x i32], align 4 +; RESULT-NEXT: call void @llvm.lifetime.start.p0(ptr %alloca.i) +; RESULT-NEXT: store i32 12345678, ptr %arg, align 4 +; RESULT-NEXT: store i32 0, ptr %alloca.i, align 4 +; RESULT-NEXT: call void @llvm.lifetime.end.p0(ptr %alloca.i) +; RESULT-NEXT: ret void +define void @caller_stacksize(ptr %arg) { + call void @callee_stacksize(ptr %arg) + ret void +} + +; CHECK-LABEL: define void @callee_dynamic_alloca( +; RESULT-NEXT: %alloca = alloca i32, i32 %n, align 4 +; RESULT-NEXT: store i32 12345678, ptr %arg, align 4 +; RESULT-NEXT: store i32 0, ptr %alloca, align 4 +; RESULT-NEXT: ret void +define void @callee_dynamic_alloca(ptr %arg, i32 %n) "inline-max-stacksize"="4" { + %alloca = alloca i32, i32 %n + store i32 12345678, ptr %arg + store i32 0, ptr %alloca + ret void +} + +; CHECK-LABEL: define void @caller_dynamic_alloca( +; RESULT-NEXT: %savedstack = call ptr @llvm.stacksave.p0() +; RESULT-NEXT: %alloca.i = alloca i32, i32 %size, align 4 +; RESULT-NEXT: store i32 12345678, ptr %arg, align 4 +; RESULT-NEXT: store i32 0, ptr %alloca.i, align 4 +; RESULT-NEXT: call void @llvm.stackrestore.p0(ptr %savedstack) +; RESULT-NEXT: ret void +define void @caller_dynamic_alloca(ptr %arg, i32 %size) { + call void @callee_dynamic_alloca(ptr %arg, i32 %size) + ret void +} + +declare void @extern_noduplicate() noduplicate + +; CHECK-LABEL: define void @callee_noduplicate_calls( +; RESULT-NEXT: call void @extern_noduplicate() +; RESULT-NEXT: call void @extern_noduplicate() +; RESULT-NEXT: ret void +define void @callee_noduplicate_calls() { + call void @extern_noduplicate() + call void @extern_noduplicate() + ret void +} + +; Ignore noduplicate restrictions +; CHECK-LABEL: define void @caller_noduplicate_calls_callee( +; RESULT-NEXT: call void @extern_noduplicate() +; RESULT-NEXT: call void @extern_noduplicate() +; RESULT-NEXT: call void @extern_noduplicate() +; RESULT-NEXT: call void @extern_noduplicate() +; RESULT-NEXT: ret void +define void @caller_noduplicate_calls_callee() { + call void @callee_noduplicate_calls() + call void @callee_noduplicate_calls() + ret void +} + +; CHECK-LABEL: define void @sanitize_address_callee( +; RESULT-NEXT: store i32 333, ptr %arg +; RESULT-NEXT: ret void +define void @sanitize_address_callee(ptr %arg) sanitize_address { + store i32 333, ptr %arg + ret void +} + +; CHECK-LABEL: define void @no_sanitize_address_caller( +; RESULT-NEXT: store i32 333, ptr %arg +; RESULT-NEXT: ret void +define void @no_sanitize_address_caller(ptr %arg) { + call void @sanitize_address_callee(ptr %arg) + ret void +} + +; CHECK-LABEL: define float @nonstrictfp_callee( +; RESULT-NEXT: %add = fadd float %a, %a +; RESULT-NEXT: ret float %add +define float @nonstrictfp_callee(float %a) { + %add = fadd float %a, %a + ret float %add +} + +; CHECK-LABEL: define float @strictfp_caller( +; RESULT-NEXT: call float @llvm.experimental.constrained.fadd.f32( +; RESULT-NEXT: call float @llvm.experimental.constrained.fadd.f32( +; RESULT-NEXT: ret float %add +define float @strictfp_caller(float %a) strictfp { + %call = call float @nonstrictfp_callee(float %a) strictfp + %add = call float @llvm.experimental.constrained.fadd.f32(float %call, float 2.0, metadata !"round.dynamic", metadata !"fpexcept.strict") + ret float %add +} + +; CHECK-LABEL: define float @strictfp_callee( +; RESULT-NEXT: call float @llvm.experimental.constrained.fadd.f32( +; RESULT-NEXT: ret float +define float @strictfp_callee(float %a) strictfp { + %add = call float @llvm.experimental.constrained.fadd.f32(float %a, float %a, metadata !"round.dynamic", metadata !"fpexcept.strict") + ret float %add +} + +; FIXME: This should not inline. The inlined case should fail the +; verifier, but it does not. +; CHECK-LABEL: define float @nonstrictfp_caller( +; RESULT-NEXT: call float @llvm.experimental.constrained.fadd.f32( +; RESULT-NEXT: fadd float +; RESULT-NEXT: ret float +define float @nonstrictfp_caller(float %a) { + %call = call float @strictfp_callee(float %a) + %add1 = fadd float %call, 2.0 + ret float %add1 +} + +define void @caller_also_has_non_callee_use() { + call void @simple_callee(ptr @simple_callee) + ret void +} |