llvm/test/CodeGen/ARM/2011-02-07-AntidepClobber.ll
2011-02-08 17:42:05 +00:00

90 lines
3.1 KiB
LLVM

; RUN: llc < %s -asm-verbose=false -O3 -mtriple=armv5e-none-linux-gnueabi | FileCheck %s
; PR8986: PostRA antidependence breaker must respect "earlyclobber".
; armv5e generates mulv5 that cannot used the same reg for src/dest.
; ModuleID = '<stdin>'
target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:64:128-a0:0:64-n32"
target triple = "armv5e-none-linux-gnueabi"
define hidden fastcc void @storeAtts() nounwind {
entry:
%.SV116 = alloca i8**
br i1 undef, label %meshBB520, label %meshBB464
bb15: ; preds = %meshBB424
br i1 undef, label %bb216, label %meshBB396
bb22: ; preds = %meshBB396
br label %cBB564
cBB564: ; preds = %cBB564, %bb22
br label %cBB564
poolStoreString.exit.thread: ; preds = %meshBB424
ret void
bb78: ; preds = %meshBB412
unreachable
bb129: ; preds = %meshBB540
br i1 undef, label %bb131.loopexit, label %meshBB540
bb131.loopexit: ; preds = %bb129
br label %bb131
bb131: ; preds = %bb135, %bb131.loopexit
br i1 undef, label %bb134, label %meshBB396
bb134: ; preds = %bb131
unreachable
bb135: ; preds = %meshBB396
%uriHash.1.phi.load = load i32* undef
%.load120 = load i8*** %.SV116
%.phi24 = load i8* null
%.phi26 = load i8** null
store i8 %.phi24, i8* %.phi26, align 1
%0 = getelementptr inbounds i8* %.phi26, i32 1
store i8* %0, i8** %.load120, align 4
; CHECK: mul [[REGISTER:lr|r[0-9]+]],
; CHECK-NOT: [[REGISTER]],
; CHECK: {{(lr|r[0-9]+)$}}
%1 = mul i32 %uriHash.1.phi.load, 1000003
%2 = xor i32 0, %1
store i32 %2, i32* null
%3 = load i8* null, align 1
%4 = icmp eq i8 %3, 0
store i8* %0, i8** undef
br i1 %4, label %meshBB472, label %bb131
bb212: ; preds = %meshBB540
unreachable
bb216: ; preds = %bb15
ret void
meshBB396: ; preds = %bb131, %bb15
br i1 undef, label %bb135, label %bb22
meshBB412: ; preds = %meshBB464
br i1 undef, label %meshBB504, label %bb78
meshBB424: ; preds = %meshBB464
br i1 undef, label %poolStoreString.exit.thread, label %bb15
meshBB464: ; preds = %entry
br i1 undef, label %meshBB424, label %meshBB412
meshBB472: ; preds = %meshBB504, %bb135
unreachable
meshBB504: ; preds = %meshBB412
br label %meshBB472
meshBB520: ; preds = %entry
br label %meshBB540
meshBB540: ; preds = %meshBB520, %bb129
br i1 undef, label %bb212, label %bb129
}