| Nikita Popov | 84feca6 | 2020-10-02 19:16:37 +0200 | [diff] [blame^] | 1 | ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py |
| 2 | ; RUN: opt < %s -memcpyopt -S | FileCheck %s |
| 3 | |
| 4 | ; Test memcpy-memcpy dependencies across invoke edges. |
| 5 | |
| 6 | ; Test that memcpyopt works across the non-unwind edge of an invoke. |
| 7 | ; TODO: Not supported yet. |
| 8 | |
| 9 | define hidden void @test_normal(i8* noalias %dst, i8* %src) personality i8* bitcast (i32 (...)* @__gxx_personality_v0 to i8*) { |
| 10 | ; CHECK-LABEL: @test_normal( |
| 11 | ; CHECK-NEXT: entry: |
| 12 | ; CHECK-NEXT: [[TEMP:%.*]] = alloca i8, i32 64, align 1 |
| 13 | ; CHECK-NEXT: call void @llvm.memcpy.p0i8.p0i8.i64(i8* align 8 [[TEMP]], i8* nonnull align 8 [[SRC:%.*]], i64 64, i1 false) |
| 14 | ; CHECK-NEXT: invoke void @invoke_me() |
| 15 | ; CHECK-NEXT: to label [[TRY_CONT:%.*]] unwind label [[LPAD:%.*]] |
| 16 | ; CHECK: lpad: |
| 17 | ; CHECK-NEXT: [[TMP0:%.*]] = landingpad { i8*, i32 } |
| 18 | ; CHECK-NEXT: catch i8* null |
| 19 | ; CHECK-NEXT: ret void |
| 20 | ; CHECK: try.cont: |
| 21 | ; CHECK-NEXT: call void @llvm.memcpy.p0i8.p0i8.i64(i8* align 8 [[DST:%.*]], i8* align 8 [[TEMP]], i64 64, i1 false) |
| 22 | ; CHECK-NEXT: ret void |
| 23 | ; |
| 24 | entry: |
| 25 | %temp = alloca i8, i32 64 |
| 26 | call void @llvm.memcpy.p0i8.p0i8.i64(i8* align 8 %temp, i8* nonnull align 8 %src, i64 64, i1 false) |
| 27 | invoke void @invoke_me() |
| 28 | to label %try.cont unwind label %lpad |
| 29 | |
| 30 | lpad: |
| 31 | landingpad { i8*, i32 } |
| 32 | catch i8* null |
| 33 | ret void |
| 34 | |
| 35 | try.cont: |
| 36 | call void @llvm.memcpy.p0i8.p0i8.i64(i8* align 8 %dst, i8* align 8 %temp, i64 64, i1 false) |
| 37 | ret void |
| 38 | } |
| 39 | |
| 40 | ; Test that memcpyopt works across the unwind edge of an invoke. |
| 41 | ; TODO: Not supported yet. |
| 42 | |
| 43 | define hidden void @test_unwind(i8* noalias %dst, i8* %src) personality i8* bitcast (i32 (...)* @__gxx_personality_v0 to i8*) { |
| 44 | ; CHECK-LABEL: @test_unwind( |
| 45 | ; CHECK-NEXT: entry: |
| 46 | ; CHECK-NEXT: [[TEMP:%.*]] = alloca i8, i32 64, align 1 |
| 47 | ; CHECK-NEXT: call void @llvm.memcpy.p0i8.p0i8.i64(i8* align 8 [[TEMP]], i8* nonnull align 8 [[SRC:%.*]], i64 64, i1 false) |
| 48 | ; CHECK-NEXT: invoke void @invoke_me() |
| 49 | ; CHECK-NEXT: to label [[TRY_CONT:%.*]] unwind label [[LPAD:%.*]] |
| 50 | ; CHECK: lpad: |
| 51 | ; CHECK-NEXT: [[TMP0:%.*]] = landingpad { i8*, i32 } |
| 52 | ; CHECK-NEXT: catch i8* null |
| 53 | ; CHECK-NEXT: call void @llvm.memcpy.p0i8.p0i8.i64(i8* align 8 [[DST:%.*]], i8* align 8 [[TEMP]], i64 64, i1 false) |
| 54 | ; CHECK-NEXT: ret void |
| 55 | ; CHECK: try.cont: |
| 56 | ; CHECK-NEXT: ret void |
| 57 | ; |
| 58 | entry: |
| 59 | %temp = alloca i8, i32 64 |
| 60 | call void @llvm.memcpy.p0i8.p0i8.i64(i8* align 8 %temp, i8* nonnull align 8 %src, i64 64, i1 false) |
| 61 | invoke void @invoke_me() |
| 62 | to label %try.cont unwind label %lpad |
| 63 | |
| 64 | lpad: |
| 65 | landingpad { i8*, i32 } |
| 66 | catch i8* null |
| 67 | call void @llvm.memcpy.p0i8.p0i8.i64(i8* align 8 %dst, i8* align 8 %temp, i64 64, i1 false) |
| 68 | ret void |
| 69 | |
| 70 | try.cont: |
| 71 | ret void |
| 72 | } |
| 73 | |
| 74 | declare void @llvm.memcpy.p0i8.p0i8.i64(i8* nocapture writeonly, i8* nocapture readonly, i64, i1) |
| 75 | declare i32 @__gxx_personality_v0(...) |
| 76 | declare void @invoke_me() readnone |