llvm.org GIT mirror llvm / release_36 test / Transforms / ArgumentPromotion / byval.ll
release_36

Tree @release_36 (Download .tar.gz)

byval.ll @release_36raw · history · blame

; RUN: opt < %s -argpromotion -S | FileCheck %s

target datalayout = "E-p:64:64:64-a0:0:8-f32:32:32-f64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-v64:64:64-v128:128:128"

%struct.ss = type { i32, i64 }

define internal void @f(%struct.ss* byval  %b) nounwind  {
; CHECK-LABEL: define internal void @f(i32 %b.0, i64 %b.1)
entry:
  %tmp = getelementptr %struct.ss* %b, i32 0, i32 0		; <i32*> [#uses=2]
  %tmp1 = load i32* %tmp, align 4		; <i32> [#uses=1]
  %tmp2 = add i32 %tmp1, 1		; <i32> [#uses=1]
  store i32 %tmp2, i32* %tmp, align 4
  ret void
}

define i32 @main() nounwind  {
; CHECK-LABEL: define i32 @main
entry:
  %S = alloca %struct.ss		; <%struct.ss*> [#uses=4]
  %tmp1 = getelementptr %struct.ss* %S, i32 0, i32 0		; <i32*> [#uses=1]
  store i32 1, i32* %tmp1, align 8
  %tmp4 = getelementptr %struct.ss* %S, i32 0, i32 1		; <i64*> [#uses=1]
  store i64 2, i64* %tmp4, align 4
  call void @f( %struct.ss* byval  %S ) nounwind 
; CHECK: call void @f(i32 %{{.*}}, i64 %{{.*}})
  ret i32 0
}