llvm-project/llvm/test/CodeGen/ARM/truncstore-dag-combine.ll

24 lines
560 B
LLVM

; RUN: llc -mtriple=arm-eabi -mattr=+v4t %s -o - | FileCheck %s
; CHECK-LABEL: bar
; CHECK-NOT: orr
; CHECK-NOT: mov
define void @bar(i8* %P, i16* %Q) {
entry:
%P1 = bitcast i8* %P to i16* ; <i16*> [#uses=1]
%tmp = load i16, i16* %Q, align 1 ; <i16> [#uses=1]
store i16 %tmp, i16* %P1, align 1
ret void
}
; CHECK-LABEL: foo
; CHECK-NOT: orr
; CHECK-NOT: mov
define void @foo(i8* %P, i32* %Q) {
entry:
%P1 = bitcast i8* %P to i32* ; <i32*> [#uses=1]
%tmp = load i32, i32* %Q, align 1 ; <i32> [#uses=1]
store i32 %tmp, i32* %P1, align 1
ret void
}