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| ; RUN: llc -asm-verbose=true < %s | FileCheck %s
; MachineLICM should check dominance before hoisting instructions.
; only the load of a0 is guaranteed to execute, so only it can be hoisted.
; CHECK: movb (%rdi), [[a0reg:%[a-z0-9]+]]
; CHECK: ## %for.body.i
; CHECK: testb [[a0reg]], [[a0reg]]
; CHECK: ## in Loop:
; CHECK: cmpb $1, ({{%[a-z0-9]+}})
; CHECK: cmpb $2, ({{%[a-z0-9]+}})
; CHECK: cmpb $3, ({{%[a-z0-9]+}})
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-macosx10.7.2"
define void @CMSColorWorldCreateParametricData(
i8* dereferenceable(1) %a0,
i8* dereferenceable(1) %a1,
i8* dereferenceable(1) %a2,
i8* dereferenceable(1) %a3,
i64 %count) nounwind uwtable optsize ssp readonly {
entry:
br label %for.body.i
for.body.i:
%i = phi i64 [0, %entry], [%i.inc, %for.inc.i]
%0 = load i8, i8* %a0, !invariant.load !0
%cond0 = icmp eq i8 %0, 0
br i1 %cond0, label %for.inc.i, label %if.then26.i
if.then26.i:
%1 = load i8, i8* %a1, !invariant.load !0
%cond1 = icmp eq i8 %1, 1
br i1 %cond1, label %if.else.i.i, label %lor.lhs.false.i.i
if.else.i.i:
%2 = load i8, i8* %a2, !invariant.load !0
%cond2 = icmp eq i8 %2, 2
br i1 %cond2, label %lor.lhs.false.i.i, label %for.inc.i
lor.lhs.false.i.i:
%3 = load i8, i8* %a3, !invariant.load !0
%cond3 = icmp eq i8 %3, 3
br i1 %cond3, label %for.inc.i, label %if.end28.i
for.inc.i:
%i.inc = add nsw i64 %i, 1
%cmp17.i = icmp ult i64 %i.inc, %count
br i1 %cmp17.i, label %for.body.i, label %if.end28.i
if.end28.i:
ret void
}
!0 = !{}
|