forked from OSchip/llvm-project
76 lines
2.4 KiB
LLVM
76 lines
2.4 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --function-signature --scrub-attributes
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; RUN: opt < %s -argpromotion -S | FileCheck %s
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; PR36543
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; Don't promote arguments of musttail callee
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%T = type { i32, i32, i32, i32 }
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define internal i32 @test(%T* %p) {
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; CHECK-LABEL: define {{[^@]+}}@test
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; CHECK-SAME: (%T* [[P:%.*]])
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; CHECK-NEXT: [[A_GEP:%.*]] = getelementptr [[T:%.*]], %T* [[P]], i64 0, i32 3
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; CHECK-NEXT: [[B_GEP:%.*]] = getelementptr [[T]], %T* [[P]], i64 0, i32 2
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; CHECK-NEXT: [[A:%.*]] = load i32, i32* [[A_GEP]]
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; CHECK-NEXT: [[B:%.*]] = load i32, i32* [[B_GEP]]
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; CHECK-NEXT: [[V:%.*]] = add i32 [[A]], [[B]]
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; CHECK-NEXT: ret i32 [[V]]
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;
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%a.gep = getelementptr %T, %T* %p, i64 0, i32 3
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%b.gep = getelementptr %T, %T* %p, i64 0, i32 2
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%a = load i32, i32* %a.gep
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%b = load i32, i32* %b.gep
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%v = add i32 %a, %b
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ret i32 %v
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}
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define i32 @caller(%T* %p) {
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; CHECK-LABEL: define {{[^@]+}}@caller
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; CHECK-SAME: (%T* [[P:%.*]])
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; CHECK-NEXT: [[V:%.*]] = musttail call i32 @test(%T* [[P]])
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; CHECK-NEXT: ret i32 [[V]]
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;
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%v = musttail call i32 @test(%T* %p)
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ret i32 %v
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}
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; Don't promote arguments of musttail caller
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define i32 @foo(%T* %p, i32 %v) {
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; CHECK-LABEL: define {{[^@]+}}@foo
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; CHECK-SAME: (%T* [[P:%.*]], i32 [[V:%.*]])
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; CHECK-NEXT: ret i32 0
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;
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ret i32 0
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}
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define internal i32 @test2(%T* %p, i32 %p2) {
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; CHECK-LABEL: define {{[^@]+}}@test2
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; CHECK-SAME: (%T* [[P:%.*]], i32 [[P2:%.*]])
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; CHECK-NEXT: [[A_GEP:%.*]] = getelementptr [[T:%.*]], %T* [[P]], i64 0, i32 3
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; CHECK-NEXT: [[B_GEP:%.*]] = getelementptr [[T]], %T* [[P]], i64 0, i32 2
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; CHECK-NEXT: [[A:%.*]] = load i32, i32* [[A_GEP]]
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; CHECK-NEXT: [[B:%.*]] = load i32, i32* [[B_GEP]]
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; CHECK-NEXT: [[V:%.*]] = add i32 [[A]], [[B]]
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; CHECK-NEXT: [[CA:%.*]] = musttail call i32 @foo(%T* undef, i32 [[V]])
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; CHECK-NEXT: ret i32 [[CA]]
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;
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%a.gep = getelementptr %T, %T* %p, i64 0, i32 3
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%b.gep = getelementptr %T, %T* %p, i64 0, i32 2
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%a = load i32, i32* %a.gep
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%b = load i32, i32* %b.gep
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%v = add i32 %a, %b
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%ca = musttail call i32 @foo(%T* undef, i32 %v)
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ret i32 %ca
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}
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define i32 @caller2(%T* %g) {
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; CHECK-LABEL: define {{[^@]+}}@caller2
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; CHECK-SAME: (%T* [[G:%.*]])
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; CHECK-NEXT: [[V:%.*]] = call i32 @test2(%T* [[G]], i32 0)
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; CHECK-NEXT: ret i32 [[V]]
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;
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%v = call i32 @test2(%T* %g, i32 0)
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ret i32 %v
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}
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