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