aa2009fe78
First step after e113317958,
in these tests, DomTree is valid afterwards, so mark them as such,
so that they don't regress.
In further steps, SimplifyCFG transforms shall taught to preserve DomTree,
in as small steps as possible.
34 lines
1.3 KiB
LLVM
34 lines
1.3 KiB
LLVM
; RUN: opt < %s -mtriple=powerpc64le-unknown-linux-gnu -simplifycfg -simplifycfg-require-and-preserve-domtree=1 -hoist-common-insts=true -S | FileCheck %s
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define float @foo(float* %src, float* %dest, i32 signext %count, i32 signext %cond) {
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; CHECK-LABEL: @foo(
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; CHECK-LABEL: entry:
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; CHECK-NOT: load float
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entry:
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%cmp = icmp sgt i32 %cond, 10
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%idxprom = sext i32 %count to i64
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%arrayidx = getelementptr inbounds float, float* %src, i64 %idxprom
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br i1 %cmp, label %if.then, label %if.else
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; CHECK-LABEL: if.then:
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; CHECK: %0 = load float, float* %arrayidx, align 4
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if.then: ; preds = %entry
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%0 = load float, float* %arrayidx, align 4
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%res = fmul float %0, 3.000000e+00
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br label %if.end
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; CHECK-LABEL: if.else:
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; CHECK: %1 = load float, float* %arrayidx, align 4
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; CHECK: store float %1, float* %arrayidx4, align 4
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if.else: ; preds = %entry
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%1 = load float, float* %arrayidx, align 4
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%idxprom3 = sext i32 %count to i64
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%arrayidx4 = getelementptr inbounds float, float* %dest, i64 %idxprom3
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store float %1, float* %arrayidx4, align 4
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br label %if.end
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if.end: ; preds = %if.else, %if.then
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%res2.0 = phi float [ %res, %if.then ], [ 0.000000e+00, %if.else ]
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ret float %res2.0
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}
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