llvm-project/llvm/test/Transforms/InstCombine/2008-04-22-ByValBitcast.ll

24 lines
1.0 KiB
LLVM

; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
;; The bitcast cannot be eliminated because byval arguments need
;; the correct type, or at least a type of the correct size.
; RUN: opt -S -passes=instcombine < %s | FileCheck %s
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"
%struct.NSRect = type { [4 x float] }
define void @foo(i8* %context) nounwind {
; CHECK-LABEL: @foo(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[TMP1:%.*]] = bitcast i8* [[CONTEXT:%.*]] to %struct.NSRect*
; CHECK-NEXT: call void (i32, ...) @bar(i32 3, %struct.NSRect* byval([[STRUCT_NSRECT:%.*]]) align 4 [[TMP1]]) #[[ATTR0:[0-9]+]]
; CHECK-NEXT: ret void
;
entry:
%tmp1 = bitcast i8* %context to %struct.NSRect* ; <%struct.NSRect*> [#uses=1]
call void (i32, ...) @bar( i32 3, %struct.NSRect* byval(%struct.NSRect) align 4 %tmp1 ) nounwind
ret void
}
declare void @bar(i32, ...)