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1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --function-signature --scrub-attributes2; RUN: opt < %s -passes=argpromotion -S | FileCheck %s3 4target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"5target triple = "x86_64-unknown-linux-gnu"6 7%union.u = type { x86_fp80 }8%struct.s = type { double, i16, i8, [5 x i8] }9 10@b = internal global %struct.s { double 3.14, i16 9439, i8 25, [5 x i8] poison }, align 1611 12%struct.Foo = type { i32, i64 }13@a = internal global %struct.Foo { i32 1, i64 2 }, align 814 15define void @run() {16; CHECK-LABEL: define {{[^@]+}}@run() {17; CHECK-NEXT: [[TMP1:%.*]] = getelementptr i8, ptr @b, i64 1018; CHECK-NEXT: [[B_VAL:%.*]] = load i8, ptr [[TMP1]], align 119; CHECK-NEXT: [[TMP2:%.*]] = tail call i8 @UseLongDoubleUnsafely(i8 [[B_VAL]])20; CHECK-NEXT: [[B_VAL1:%.*]] = load x86_fp80, ptr @b, align 1621; CHECK-NEXT: [[TMP3:%.*]] = tail call x86_fp80 @UseLongDoubleSafely(x86_fp80 [[B_VAL1]])22; CHECK-NEXT: [[TMP4:%.*]] = tail call x86_fp80 @UseLongDoubleSafelyNoPromotion(ptr byval([[UNION_U:%.*]]) align 16 @b)23; CHECK-NEXT: [[A_VAL:%.*]] = load i64, ptr @a, align 824; CHECK-NEXT: [[TMP5:%.*]] = call i64 @AccessPaddingOfStruct(i64 [[A_VAL]])25; CHECK-NEXT: [[TMP6:%.*]] = call i64 @CaptureAStruct(ptr byval([[STRUCT_FOO:%.*]]) @a)26; CHECK-NEXT: ret void27;28 tail call i8 @UseLongDoubleUnsafely(ptr byval(%union.u) align 16 @b)29 tail call x86_fp80 @UseLongDoubleSafely(ptr byval(%union.u) align 16 @b)30 tail call x86_fp80 @UseLongDoubleSafelyNoPromotion(ptr byval(%union.u) align 16 @b)31 call i64 @AccessPaddingOfStruct(ptr byval(%struct.Foo) @a)32 call i64 @CaptureAStruct(ptr byval(%struct.Foo) @a)33 ret void34}35 36define internal i8 @UseLongDoubleUnsafely(ptr byval(%union.u) align 16 %arg) {37; CHECK-LABEL: define {{[^@]+}}@UseLongDoubleUnsafely38; CHECK-SAME: (i8 [[ARG_10_VAL:%.*]]) {39; CHECK-NEXT: ret i8 [[ARG_10_VAL]]40;41 %gep = getelementptr inbounds %struct.s, ptr %arg, i64 0, i32 242 %result = load i8, ptr %gep43 ret i8 %result44}45 46define internal x86_fp80 @UseLongDoubleSafely(ptr byval(%union.u) align 16 %arg) {47; CHECK-LABEL: define {{[^@]+}}@UseLongDoubleSafely48; CHECK-SAME: (x86_fp80 [[ARG_0_VAL:%.*]]) {49; CHECK-NEXT: ret x86_fp80 [[ARG_0_VAL]]50;51 %fp80 = load x86_fp80, ptr %arg52 ret x86_fp80 %fp8053}54 55define internal x86_fp80 @UseLongDoubleSafelyNoPromotion(ptr byval(%union.u) align 16 %arg) {56; CHECK-LABEL: define {{[^@]+}}@UseLongDoubleSafelyNoPromotion57; CHECK-SAME: (ptr byval([[UNION_U:%.*]]) align 16 [[ARG:%.*]]) {58; CHECK-NEXT: [[IDX_SLOT:%.*]] = alloca i64, align 859; CHECK-NEXT: store i64 0, ptr [[IDX_SLOT]], align 860; CHECK-NEXT: [[IDX:%.*]] = load i64, ptr [[IDX_SLOT]], align 861; CHECK-NEXT: [[GEP_IDX:%.*]] = getelementptr inbounds [[UNION_U]], ptr [[ARG]], i64 [[IDX]], i32 062; CHECK-NEXT: [[FP80:%.*]] = load x86_fp80, ptr [[ARG]], align 1663; CHECK-NEXT: ret x86_fp80 [[FP80]]64;65 %idx_slot = alloca i64, align 866 store i64 0, ptr %idx_slot, align 867 %idx = load i64, ptr %idx_slot, align 868 %gep_idx = getelementptr inbounds %union.u, ptr %arg, i64 %idx, i32 0 ; to protect from promotion69 %fp80 = load x86_fp80, ptr %arg70 ret x86_fp80 %fp8071}72 73define internal i64 @AccessPaddingOfStruct(ptr byval(%struct.Foo) %a) {74; CHECK-LABEL: define {{[^@]+}}@AccessPaddingOfStruct75; CHECK-SAME: (i64 [[A_0_VAL:%.*]]) {76; CHECK-NEXT: ret i64 [[A_0_VAL]]77;78 %v = load i64, ptr %a79 ret i64 %v80}81 82define internal i64 @CaptureAStruct(ptr byval(%struct.Foo) %a) {83; CHECK-LABEL: define {{[^@]+}}@CaptureAStruct84; CHECK-SAME: (ptr byval([[STRUCT_FOO:%.*]]) [[A:%.*]]) {85; CHECK-NEXT: entry:86; CHECK-NEXT: [[A_PTR:%.*]] = alloca ptr, align 887; CHECK-NEXT: br label [[LOOP:%.*]]88; CHECK: loop:89; CHECK-NEXT: [[PHI:%.*]] = phi ptr [ null, [[ENTRY:%.*]] ], [ [[A]], [[LOOP]] ]90; CHECK-NEXT: [[TMP0:%.*]] = phi ptr [ [[A]], [[ENTRY]] ], [ [[TMP0]], [[LOOP]] ]91; CHECK-NEXT: store ptr [[PHI]], ptr [[A_PTR]], align 892; CHECK-NEXT: br label [[LOOP]]93;94entry:95 %a_ptr = alloca ptr96 br label %loop97 98loop:99 %phi = phi ptr [ null, %entry ], [ %a, %loop ]100 %0 = phi ptr [ %a, %entry ], [ %0, %loop ]101 store ptr %phi, ptr %a_ptr102 br label %loop103}104