35 lines
779 B
LLVM
35 lines
779 B
LLVM
; RUN: opt < %s -globalopt -S | FileCheck %s
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; PR36546
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; Check that musttail callee preserves its calling convention
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define i32 @test(i32 %a) {
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; CHECK: %ca = musttail call i32 @foo(i32 %a)
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%ca = musttail call i32 @foo(i32 %a)
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ret i32 %ca
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}
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; CHECK-LABEL: define internal i32 @foo(i32 %a)
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define internal i32 @foo(i32 %a) {
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ret i32 %a
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}
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; Check that musttail caller preserves its calling convention
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define i32 @test2(i32 %a) {
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%ca = call i32 @foo1(i32 %a)
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ret i32 %ca
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}
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; CHECK-LABEL: define internal i32 @foo1(i32 %a)
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define internal i32 @foo1(i32 %a) {
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; CHECK: %ca = musttail call i32 @foo2(i32 %a)
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%ca = musttail call i32 @foo2(i32 %a)
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ret i32 %ca
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}
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; CHECK-LABEL: define internal i32 @foo2(i32 %a)
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define internal i32 @foo2(i32 %a) {
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ret i32 %a
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}
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