llvm-project/llvm/test/CodeGen/X86/fastcc-byval.ll
Matt Arsenault 06c192d454 OpaquePtr: Bulk update tests to use typed byval
Upgrade of the IR text tests should be the only thing blocking making
typed byval mandatory. Partially done through regex and partially
manual.
2020-11-20 14:00:46 -05:00

25 lines
731 B
LLVM

; RUN: llc < %s -tailcallopt=false | FileCheck %s
; CHECK: movl 8(%esp), %eax
; CHECK: movl 8(%esp), %eax
; CHECK-NOT: movl 8(%esp), %eax
; PR3122
; rdar://6400815
; byval requires a copy, even with fastcc.
target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f80:128:128"
target triple = "i386-apple-darwin9.5"
%struct.MVT = type { i32 }
define fastcc i32 @bar() nounwind {
%V = alloca %struct.MVT
%a = getelementptr %struct.MVT, %struct.MVT* %V, i32 0, i32 0
store i32 1, i32* %a
call fastcc void @foo(%struct.MVT* byval(%struct.MVT) %V) nounwind
%t = load i32, i32* %a
ret i32 %t
}
declare fastcc void @foo(%struct.MVT* byval(%struct.MVT))