forked from OSchip/llvm-project
27 lines
750 B
LLVM
27 lines
750 B
LLVM
; RUN: opt < %s -instcombine -S | FileCheck %s
|
|
target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64"
|
|
target triple = "x86_64-apple-darwin10.0.0"
|
|
|
|
; Instcombine should be able to do trivial CSE of loads.
|
|
|
|
define i32 @test1(i32* %p) {
|
|
%t0 = getelementptr i32* %p, i32 1
|
|
%y = load i32* %t0
|
|
%t1 = getelementptr i32* %p, i32 1
|
|
%x = load i32* %t1
|
|
%a = sub i32 %y, %x
|
|
ret i32 %a
|
|
; CHECK: @test1
|
|
; CHECK: ret i32 0
|
|
}
|
|
|
|
|
|
; PR7429
|
|
@.str = private constant [4 x i8] c"XYZ\00"
|
|
define float @test2() {
|
|
%tmp = load float* bitcast ([4 x i8]* @.str to float*), align 1
|
|
ret float %tmp
|
|
|
|
; CHECK: @test2
|
|
; CHECK: ret float 0x3806965600000000
|
|
} |