diff options
Diffstat (limited to 'llvm/test/Transforms/SimplifyCFG')
| -rw-r--r-- | llvm/test/Transforms/SimplifyCFG/merge-calls-alloc-token.ll | 6 | ||||
| -rw-r--r-- | llvm/test/Transforms/SimplifyCFG/switch-transformations-no-lut.ll | 130 |
2 files changed, 71 insertions, 65 deletions
diff --git a/llvm/test/Transforms/SimplifyCFG/merge-calls-alloc-token.ll b/llvm/test/Transforms/SimplifyCFG/merge-calls-alloc-token.ll index 9bbe3eb..42d3dcc 100644 --- a/llvm/test/Transforms/SimplifyCFG/merge-calls-alloc-token.ll +++ b/llvm/test/Transforms/SimplifyCFG/merge-calls-alloc-token.ll @@ -97,8 +97,8 @@ if.end: ret ptr %x.0 } -!0 = !{!"int"} -!1 = !{!"char[4]"} +!0 = !{!"int", i1 0} +!1 = !{!"char[4]", i1 0} ;. -; CHECK: [[META0]] = !{!"int"} +; CHECK: [[META0]] = !{!"int", i1 false} ;. diff --git a/llvm/test/Transforms/SimplifyCFG/switch-transformations-no-lut.ll b/llvm/test/Transforms/SimplifyCFG/switch-transformations-no-lut.ll index c9063d3..25267dc 100644 --- a/llvm/test/Transforms/SimplifyCFG/switch-transformations-no-lut.ll +++ b/llvm/test/Transforms/SimplifyCFG/switch-transformations-no-lut.ll @@ -1,5 +1,5 @@ ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 5 -; RUN: opt -S -passes='simplifycfg' < %s | FileCheck %s --check-prefix=OPTNOLUT +; RUN: opt -S -passes='simplifycfg<switch-to-arithmetic>' < %s | FileCheck %s --check-prefix=OPTNOLUT ; RUN: %if amdgpu-registered-target %{ opt -mtriple=amdgcn--amdpal -S -passes='simplifycfg<switch-to-lookup>' < %s | FileCheck %s --check-prefix=TTINOLUT %} ; target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" @@ -7,23 +7,11 @@ target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" define i32 @linear_transform_with_default(i32 %x) { ; OPTNOLUT-LABEL: define i32 @linear_transform_with_default( ; OPTNOLUT-SAME: i32 [[X:%.*]]) { -; OPTNOLUT-NEXT: [[ENTRY:.*]]: -; OPTNOLUT-NEXT: switch i32 [[X]], label %[[END:.*]] [ -; OPTNOLUT-NEXT: i32 0, label %[[CASE0:.*]] -; OPTNOLUT-NEXT: i32 1, label %[[CASE1:.*]] -; OPTNOLUT-NEXT: i32 2, label %[[CASE2:.*]] -; OPTNOLUT-NEXT: i32 3, label %[[CASE3:.*]] -; OPTNOLUT-NEXT: ] -; OPTNOLUT: [[CASE0]]: -; OPTNOLUT-NEXT: br label %[[END]] -; OPTNOLUT: [[CASE1]]: -; OPTNOLUT-NEXT: br label %[[END]] -; OPTNOLUT: [[CASE2]]: -; OPTNOLUT-NEXT: br label %[[END]] -; OPTNOLUT: [[CASE3]]: -; OPTNOLUT-NEXT: br label %[[END]] -; OPTNOLUT: [[END]]: -; OPTNOLUT-NEXT: [[IDX:%.*]] = phi i32 [ 1, %[[CASE0]] ], [ 4, %[[CASE1]] ], [ 7, %[[CASE2]] ], [ 10, %[[CASE3]] ], [ 13, %[[ENTRY]] ] +; OPTNOLUT-NEXT: [[ENTRY:.*:]] +; OPTNOLUT-NEXT: [[TMP0:%.*]] = icmp ult i32 [[X]], 4 +; OPTNOLUT-NEXT: [[SWITCH_IDX_MULT:%.*]] = mul nsw i32 [[X]], 3 +; OPTNOLUT-NEXT: [[SWITCH_OFFSET:%.*]] = add nsw i32 [[SWITCH_IDX_MULT]], 1 +; OPTNOLUT-NEXT: [[IDX:%.*]] = select i1 [[TMP0]], i32 [[SWITCH_OFFSET]], i32 13 ; OPTNOLUT-NEXT: ret i32 [[IDX]] ; ; TTINOLUT-LABEL: define i32 @linear_transform_with_default( @@ -138,26 +126,8 @@ end: define i32 @linear_transform_no_default(i32 %x) { ; OPTNOLUT-LABEL: define i32 @linear_transform_no_default( ; OPTNOLUT-SAME: i32 [[X:%.*]]) { -; OPTNOLUT-NEXT: [[ENTRY:.*]]: -; OPTNOLUT-NEXT: switch i32 [[X]], label %[[DEFAULT:.*]] [ -; OPTNOLUT-NEXT: i32 0, label %[[END:.*]] -; OPTNOLUT-NEXT: i32 1, label %[[CASE1:.*]] -; OPTNOLUT-NEXT: i32 2, label %[[CASE2:.*]] -; OPTNOLUT-NEXT: i32 3, label %[[CASE3:.*]] -; OPTNOLUT-NEXT: i32 4, label %[[CASE4:.*]] -; OPTNOLUT-NEXT: ] -; OPTNOLUT: [[CASE1]]: -; OPTNOLUT-NEXT: br label %[[END]] -; OPTNOLUT: [[CASE2]]: -; OPTNOLUT-NEXT: br label %[[END]] -; OPTNOLUT: [[CASE3]]: -; OPTNOLUT-NEXT: br label %[[END]] -; OPTNOLUT: [[CASE4]]: -; OPTNOLUT-NEXT: br label %[[END]] -; OPTNOLUT: [[DEFAULT]]: -; OPTNOLUT-NEXT: unreachable -; OPTNOLUT: [[END]]: -; OPTNOLUT-NEXT: [[SWITCH_IDX_MULT:%.*]] = phi i32 [ 3, %[[CASE1]] ], [ 6, %[[CASE2]] ], [ 9, %[[CASE3]] ], [ 12, %[[CASE4]] ], [ 0, %[[ENTRY]] ] +; OPTNOLUT-NEXT: [[ENTRY:.*:]] +; OPTNOLUT-NEXT: [[SWITCH_IDX_MULT:%.*]] = mul nsw i32 [[X]], 3 ; OPTNOLUT-NEXT: ret i32 [[SWITCH_IDX_MULT]] ; ; TTINOLUT-LABEL: define i32 @linear_transform_no_default( @@ -350,18 +320,9 @@ end: define i32 @single_value_withdefault(i32 %x) { ; OPTNOLUT-LABEL: define i32 @single_value_withdefault( ; OPTNOLUT-SAME: i32 [[X:%.*]]) { -; OPTNOLUT-NEXT: [[ENTRY:.*]]: -; OPTNOLUT-NEXT: switch i32 [[X]], label %[[DEFAULT:.*]] [ -; OPTNOLUT-NEXT: i32 0, label %[[END:.*]] -; OPTNOLUT-NEXT: i32 1, label %[[END]] -; OPTNOLUT-NEXT: i32 2, label %[[END]] -; OPTNOLUT-NEXT: i32 3, label %[[END]] -; OPTNOLUT-NEXT: i32 4, label %[[END]] -; OPTNOLUT-NEXT: ] -; OPTNOLUT: [[DEFAULT]]: -; OPTNOLUT-NEXT: br label %[[END]] -; OPTNOLUT: [[END]]: -; OPTNOLUT-NEXT: [[DOT:%.*]] = phi i32 [ 3, %[[DEFAULT]] ], [ 2, %[[ENTRY]] ], [ 2, %[[ENTRY]] ], [ 2, %[[ENTRY]] ], [ 2, %[[ENTRY]] ], [ 2, %[[ENTRY]] ] +; OPTNOLUT-NEXT: [[ENTRY:.*:]] +; OPTNOLUT-NEXT: [[TMP0:%.*]] = icmp ult i32 [[X]], 5 +; OPTNOLUT-NEXT: [[DOT:%.*]] = select i1 [[TMP0]], i32 2, i32 3 ; OPTNOLUT-NEXT: ret i32 [[DOT]] ; ; TTINOLUT-LABEL: define i32 @single_value_withdefault( @@ -401,18 +362,9 @@ end: define i32 @single_value_no_jump_tables(i32 %x) "no-jump-tables"="true" { ; OPTNOLUT-LABEL: define i32 @single_value_no_jump_tables( ; OPTNOLUT-SAME: i32 [[X:%.*]]) #[[ATTR0:[0-9]+]] { -; OPTNOLUT-NEXT: [[ENTRY:.*]]: -; OPTNOLUT-NEXT: switch i32 [[X]], label %[[DEFAULT:.*]] [ -; OPTNOLUT-NEXT: i32 0, label %[[END:.*]] -; OPTNOLUT-NEXT: i32 1, label %[[END]] -; OPTNOLUT-NEXT: i32 2, label %[[END]] -; OPTNOLUT-NEXT: i32 3, label %[[END]] -; OPTNOLUT-NEXT: i32 4, label %[[END]] -; OPTNOLUT-NEXT: ] -; OPTNOLUT: [[DEFAULT]]: -; OPTNOLUT-NEXT: br label %[[END]] -; OPTNOLUT: [[END]]: -; OPTNOLUT-NEXT: [[IDX:%.*]] = phi i32 [ 3, %[[DEFAULT]] ], [ 2, %[[ENTRY]] ], [ 2, %[[ENTRY]] ], [ 2, %[[ENTRY]] ], [ 2, %[[ENTRY]] ], [ 2, %[[ENTRY]] ] +; OPTNOLUT-NEXT: [[ENTRY:.*:]] +; OPTNOLUT-NEXT: [[TMP0:%.*]] = icmp ult i32 [[X]], 5 +; OPTNOLUT-NEXT: [[IDX:%.*]] = select i1 [[TMP0]], i32 2, i32 3 ; OPTNOLUT-NEXT: ret i32 [[IDX]] ; ; TTINOLUT-LABEL: define i32 @single_value_no_jump_tables( @@ -449,6 +401,60 @@ end: ret i32 %idx } +define i1 @single_value_with_mask(i32 %x) { +; OPTNOLUT-LABEL: define i1 @single_value_with_mask( +; OPTNOLUT-SAME: i32 [[X:%.*]]) { +; OPTNOLUT-NEXT: [[ENTRY:.*]]: +; OPTNOLUT-NEXT: switch i32 [[X]], label %[[DEFAULT:.*]] [ +; OPTNOLUT-NEXT: i32 18, label %[[END:.*]] +; OPTNOLUT-NEXT: i32 21, label %[[END]] +; OPTNOLUT-NEXT: i32 48, label %[[END]] +; OPTNOLUT-NEXT: i32 16, label %[[END]] +; OPTNOLUT-NEXT: ] +; OPTNOLUT: [[DEFAULT]]: +; OPTNOLUT-NEXT: [[CMP:%.*]] = icmp eq i32 [[X]], 80 +; OPTNOLUT-NEXT: [[SEL:%.*]] = select i1 [[CMP]], i1 false, i1 true +; OPTNOLUT-NEXT: br label %[[END]] +; OPTNOLUT: [[END]]: +; OPTNOLUT-NEXT: [[RES:%.*]] = phi i1 [ false, %[[ENTRY]] ], [ false, %[[ENTRY]] ], [ false, %[[ENTRY]] ], [ false, %[[ENTRY]] ], [ [[SEL]], %[[DEFAULT]] ] +; OPTNOLUT-NEXT: ret i1 [[RES]] +; +; TTINOLUT-LABEL: define i1 @single_value_with_mask( +; TTINOLUT-SAME: i32 [[X:%.*]]) { +; TTINOLUT-NEXT: [[ENTRY:.*]]: +; TTINOLUT-NEXT: [[SWITCH_TABLEIDX:%.*]] = sub i32 [[X]], 16 +; TTINOLUT-NEXT: [[TMP0:%.*]] = icmp ult i32 [[SWITCH_TABLEIDX]], 33 +; TTINOLUT-NEXT: [[SWITCH_MASKINDEX:%.*]] = zext i32 [[SWITCH_TABLEIDX]] to i64 +; TTINOLUT-NEXT: [[SWITCH_SHIFTED:%.*]] = lshr i64 4294967333, [[SWITCH_MASKINDEX]] +; TTINOLUT-NEXT: [[SWITCH_LOBIT:%.*]] = trunc i64 [[SWITCH_SHIFTED]] to i1 +; TTINOLUT-NEXT: [[OR_COND:%.*]] = select i1 [[TMP0]], i1 [[SWITCH_LOBIT]], i1 false +; TTINOLUT-NEXT: br i1 [[OR_COND]], label %[[END:.*]], label %[[DEFAULT:.*]] +; TTINOLUT: [[DEFAULT]]: +; TTINOLUT-NEXT: [[CMP:%.*]] = icmp eq i32 [[X]], 80 +; TTINOLUT-NEXT: [[SEL:%.*]] = select i1 [[CMP]], i1 false, i1 true +; TTINOLUT-NEXT: br label %[[END]] +; TTINOLUT: [[END]]: +; TTINOLUT-NEXT: [[RES:%.*]] = phi i1 [ [[SEL]], %[[DEFAULT]] ], [ false, %[[ENTRY]] ] +; TTINOLUT-NEXT: ret i1 [[RES]] +; +entry: + switch i32 %x, label %default [ + i32 18, label %end + i32 21, label %end + i32 48, label %end + i32 16, label %end + ] + +default: + %cmp = icmp eq i32 %x, 80 + %sel = select i1 %cmp, i1 false, i1 true + br label %end + +end: + %res = phi i1 [ false, %entry ], [ false, %entry ], [ false, %entry ], [ false, %entry ], [ %sel, %default ] + ret i1 %res +} + define i32 @lookup_table(i32 %x) { ; OPTNOLUT-LABEL: define i32 @lookup_table( ; OPTNOLUT-SAME: i32 [[X:%.*]]) { |