forked from OSchip/llvm-project
37 lines
1.2 KiB
LLVM
37 lines
1.2 KiB
LLVM
; RUN: opt < %s -passes=deadargelim -S | FileCheck %s
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define i32 @bar(i32 %A) {
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call void (i32, ...) @thunk(i32 %A, i64 47, double 1.000000e+00)
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%a = call i32 (i32, ...) @has_vastart(i32 %A, i64 47, double 1.000000e+00)
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%b = call i32 (i32, ...) @no_vastart( i32 %A, i32 %A, i32 %A, i32 %A, i64 47, double 1.000000e+00 )
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%c = add i32 %a, %b
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ret i32 %c
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}
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; CHECK-LABEL: define i32 @bar
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; CHECK: call void (i32, ...) @thunk(i32 %A, i64 47, double 1.000000e+00)
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; CHECK: call i32 (i32, ...) @has_vastart(i32 %A, i64 47, double 1.000000e+00)
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; CHECK: call i32 @no_vastart(i32 %A)
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declare void @thunk_target(i32 %X, ...)
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define internal void @thunk(i32 %X, ...) {
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musttail call void(i32, ...) @thunk_target(i32 %X, ...)
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ret void
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}
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; CHECK-LABEL: define internal void @thunk(i32 %X, ...)
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; CHECK: musttail call void (i32, ...) @thunk_target(i32 %X, ...)
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define internal i32 @has_vastart(i32 %X, ...) {
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%valist = alloca i8
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call void @llvm.va_start(i8* %valist)
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ret i32 %X
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}
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; CHECK-LABEL: define internal i32 @has_vastart(i32 %X, ...)
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declare void @llvm.va_start(i8*)
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define internal i32 @no_vastart(i32 %X, ...) {
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ret i32 %X
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}
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; CHECK-LABEL: define internal i32 @no_vastart(i32 %X)
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