; RUN: llc < %s -march=x86 | FileCheck %s | |
;; This example can't fold the or into an LEA. | |
define i32 @test(float ** %tmp2, i32 %tmp12) nounwind { | |
; CHECK: test: | |
; CHECK-NOT: ret | |
; CHECK: orl $1, %{{.*}} | |
; CHECK: ret | |
%tmp3 = load float** %tmp2 | |
%tmp132 = shl i32 %tmp12, 2 ; <i32> [#uses=1] | |
%tmp4 = bitcast float* %tmp3 to i8* ; <i8*> [#uses=1] | |
%ctg2 = getelementptr i8* %tmp4, i32 %tmp132 ; <i8*> [#uses=1] | |
%tmp6 = ptrtoint i8* %ctg2 to i32 ; <i32> [#uses=1] | |
%tmp14 = or i32 %tmp6, 1 ; <i32> [#uses=1] | |
ret i32 %tmp14 | |
} | |
;; This can! | |
define i32 @test2(i32 %a, i32 %b) nounwind { | |
; CHECK: test2: | |
; CHECK-NOT: ret | |
; CHECK: leal 3(,%{{.*}},8) | |
; CHECK: ret | |
%c = shl i32 %a, 3 | |
%d = or i32 %c, 3 | |
ret i32 %d | |
} |