diff options
Diffstat (limited to 'llvm/test/Transforms/InstCombine/assume.ll')
| -rw-r--r-- | llvm/test/Transforms/InstCombine/assume.ll | 28 |
1 files changed, 25 insertions, 3 deletions
diff --git a/llvm/test/Transforms/InstCombine/assume.ll b/llvm/test/Transforms/InstCombine/assume.ll index 7b0b871..cc87d65 100644 --- a/llvm/test/Transforms/InstCombine/assume.ll +++ b/llvm/test/Transforms/InstCombine/assume.ll @@ -10,8 +10,8 @@ declare void @llvm.assume(i1) #1 ; Check that the assume has not been removed: -define i32 @foo1(ptr %a) #0 { -; DEFAULT-LABEL: @foo1( +define i32 @align_to_bundle(ptr %a) #0 { +; DEFAULT-LABEL: @align_to_bundle( ; DEFAULT-NEXT: [[T0:%.*]] = load i32, ptr [[A:%.*]], align 4 ; DEFAULT-NEXT: [[PTRINT:%.*]] = ptrtoint ptr [[A]] to i64 ; DEFAULT-NEXT: [[MASKEDPTR:%.*]] = and i64 [[PTRINT]], 31 @@ -19,7 +19,7 @@ define i32 @foo1(ptr %a) #0 { ; DEFAULT-NEXT: tail call void @llvm.assume(i1 [[MASKCOND]]) ; DEFAULT-NEXT: ret i32 [[T0]] ; -; BUNDLES-LABEL: @foo1( +; BUNDLES-LABEL: @align_to_bundle( ; BUNDLES-NEXT: [[T0:%.*]] = load i32, ptr [[A:%.*]], align 4 ; BUNDLES-NEXT: call void @llvm.assume(i1 true) [ "align"(ptr [[A]], i64 32) ] ; BUNDLES-NEXT: ret i32 [[T0]] @@ -32,6 +32,28 @@ define i32 @foo1(ptr %a) #0 { ret i32 %t0 } +define i32 @align_to_bundle_ptrtoaddr(ptr %a) #0 { +; DEFAULT-LABEL: @align_to_bundle_ptrtoaddr( +; DEFAULT-NEXT: [[T0:%.*]] = load i32, ptr [[A:%.*]], align 4 +; DEFAULT-NEXT: [[PTRINT:%.*]] = ptrtoaddr ptr [[A]] to i64 +; DEFAULT-NEXT: [[MASKEDPTR:%.*]] = and i64 [[PTRINT]], 31 +; DEFAULT-NEXT: [[MASKCOND:%.*]] = icmp eq i64 [[MASKEDPTR]], 0 +; DEFAULT-NEXT: tail call void @llvm.assume(i1 [[MASKCOND]]) +; DEFAULT-NEXT: ret i32 [[T0]] +; +; BUNDLES-LABEL: @align_to_bundle_ptrtoaddr( +; BUNDLES-NEXT: [[T0:%.*]] = load i32, ptr [[A:%.*]], align 4 +; BUNDLES-NEXT: call void @llvm.assume(i1 true) [ "align"(ptr [[A]], i64 32) ] +; BUNDLES-NEXT: ret i32 [[T0]] +; + %t0 = load i32, ptr %a, align 4 + %ptrint = ptrtoaddr ptr %a to i64 + %maskedptr = and i64 %ptrint, 31 + %maskcond = icmp eq i64 %maskedptr, 0 + tail call void @llvm.assume(i1 %maskcond) + ret i32 %t0 +} + define i32 @align_assume_trunc_cond(ptr %a) #0 { ; DEFAULT-LABEL: @align_assume_trunc_cond( ; DEFAULT-NEXT: [[T0:%.*]] = load i32, ptr [[A:%.*]], align 4 |