1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --function-signature --scrub-attributes 2; RUN: opt < %s -argpromotion -S | FileCheck %s 3; RUN: opt < %s -passes=argpromotion -S | FileCheck %s 4 5target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" 6target triple = "x86_64-unknown-linux-gnu" 7 8%union.u = type { x86_fp80 } 9%struct.s = type { double, i16, i8, [5 x i8] } 10 11@b = internal global %struct.s { double 3.14, i16 9439, i8 25, [5 x i8] undef }, align 16 12 13%struct.Foo = type { i32, i64 } 14@a = internal global %struct.Foo { i32 1, i64 2 }, align 8 15 16define void @run() { 17; CHECK-LABEL: define {{[^@]+}}@run() 18; CHECK-NEXT: entry: 19; CHECK-NEXT: [[TMP0:%.*]] = tail call i8 @UseLongDoubleUnsafely(%union.u* byval(%union.u) align 16 bitcast (%struct.s* @b to %union.u*)) 20; CHECK-NEXT: [[DOT0:%.*]] = getelementptr [[UNION_U:%.*]], %union.u* bitcast (%struct.s* @b to %union.u*), i32 0, i32 0 21; CHECK-NEXT: [[DOT0_VAL:%.*]] = load x86_fp80, x86_fp80* [[DOT0]] 22; CHECK-NEXT: [[TMP1:%.*]] = tail call x86_fp80 @UseLongDoubleSafely(x86_fp80 [[DOT0_VAL]]) 23; CHECK-NEXT: [[TMP2:%.*]] = call i64 @AccessPaddingOfStruct(%struct.Foo* @a) 24; CHECK-NEXT: [[TMP3:%.*]] = call i64 @CaptureAStruct(%struct.Foo* @a) 25; CHECK-NEXT: ret void 26; 27entry: 28 tail call i8 @UseLongDoubleUnsafely(%union.u* byval(%union.u) align 16 bitcast (%struct.s* @b to %union.u*)) 29 tail call x86_fp80 @UseLongDoubleSafely(%union.u* byval(%union.u) align 16 bitcast (%struct.s* @b to %union.u*)) 30 call i64 @AccessPaddingOfStruct(%struct.Foo* @a) 31 call i64 @CaptureAStruct(%struct.Foo* @a) 32 ret void 33} 34 35define internal i8 @UseLongDoubleUnsafely(%union.u* byval(%union.u) align 16 %arg) { 36; CHECK-LABEL: define {{[^@]+}}@UseLongDoubleUnsafely 37; CHECK-SAME: (%union.u* byval(%union.u) align 16 [[ARG:%.*]]) 38; CHECK-NEXT: entry: 39; CHECK-NEXT: [[BITCAST:%.*]] = bitcast %union.u* [[ARG]] to %struct.s* 40; CHECK-NEXT: [[GEP:%.*]] = getelementptr inbounds [[STRUCT_S:%.*]], %struct.s* [[BITCAST]], i64 0, i32 2 41; CHECK-NEXT: [[RESULT:%.*]] = load i8, i8* [[GEP]] 42; CHECK-NEXT: ret i8 [[RESULT]] 43; 44entry: 45 %bitcast = bitcast %union.u* %arg to %struct.s* 46 %gep = getelementptr inbounds %struct.s, %struct.s* %bitcast, i64 0, i32 2 47 %result = load i8, i8* %gep 48 ret i8 %result 49} 50 51define internal x86_fp80 @UseLongDoubleSafely(%union.u* byval(%union.u) align 16 %arg) { 52; CHECK-LABEL: define {{[^@]+}}@UseLongDoubleSafely 53; CHECK-SAME: (x86_fp80 [[ARG_0:%.*]]) 54; CHECK-NEXT: [[ARG:%.*]] = alloca [[UNION_U:%.*]], align 16 55; CHECK-NEXT: [[DOT0:%.*]] = getelementptr [[UNION_U]], %union.u* [[ARG]], i32 0, i32 0 56; CHECK-NEXT: store x86_fp80 [[ARG_0]], x86_fp80* [[DOT0]] 57; CHECK-NEXT: [[GEP:%.*]] = getelementptr inbounds [[UNION_U]], %union.u* [[ARG]], i64 0, i32 0 58; CHECK-NEXT: [[FP80:%.*]] = load x86_fp80, x86_fp80* [[GEP]] 59; CHECK-NEXT: ret x86_fp80 [[FP80]] 60; 61 %gep = getelementptr inbounds %union.u, %union.u* %arg, i64 0, i32 0 62 %fp80 = load x86_fp80, x86_fp80* %gep 63 ret x86_fp80 %fp80 64} 65 66define internal i64 @AccessPaddingOfStruct(%struct.Foo* byval(%struct.Foo) %a) { 67; CHECK-LABEL: define {{[^@]+}}@AccessPaddingOfStruct 68; CHECK-SAME: (%struct.Foo* byval(%struct.Foo) [[A:%.*]]) 69; CHECK-NEXT: [[P:%.*]] = bitcast %struct.Foo* [[A]] to i64* 70; CHECK-NEXT: [[V:%.*]] = load i64, i64* [[P]] 71; CHECK-NEXT: ret i64 [[V]] 72; 73 %p = bitcast %struct.Foo* %a to i64* 74 %v = load i64, i64* %p 75 ret i64 %v 76} 77 78define internal i64 @CaptureAStruct(%struct.Foo* byval(%struct.Foo) %a) { 79; CHECK-LABEL: define {{[^@]+}}@CaptureAStruct 80; CHECK-SAME: (%struct.Foo* byval(%struct.Foo) [[A:%.*]]) 81; CHECK-NEXT: entry: 82; CHECK-NEXT: [[A_PTR:%.*]] = alloca %struct.Foo* 83; CHECK-NEXT: br label [[LOOP:%.*]] 84; CHECK: loop: 85; CHECK-NEXT: [[PHI:%.*]] = phi %struct.Foo* [ null, [[ENTRY:%.*]] ], [ [[GEP:%.*]], [[LOOP]] ] 86; CHECK-NEXT: [[TMP0:%.*]] = phi %struct.Foo* [ [[A]], [[ENTRY]] ], [ [[TMP0]], [[LOOP]] ] 87; CHECK-NEXT: store %struct.Foo* [[PHI]], %struct.Foo** [[A_PTR]] 88; CHECK-NEXT: [[GEP]] = getelementptr [[STRUCT_FOO:%.*]], %struct.Foo* [[A]], i64 0 89; CHECK-NEXT: br label [[LOOP]] 90; 91entry: 92 %a_ptr = alloca %struct.Foo* 93 br label %loop 94 95loop: 96 %phi = phi %struct.Foo* [ null, %entry ], [ %gep, %loop ] 97 %0 = phi %struct.Foo* [ %a, %entry ], [ %0, %loop ] 98 store %struct.Foo* %phi, %struct.Foo** %a_ptr 99 %gep = getelementptr %struct.Foo, %struct.Foo* %a, i64 0 100 br label %loop 101} 102