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39 lines
1.2 KiB
39 lines
1.2 KiB
4 months ago
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; RUN: llc -verify-machineinstrs < %s | FileCheck %s
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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-v128:128:128-n32:64"
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target triple = "powerpc64-unknown-freebsd10.0"
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define void @test1(i32 %c) nounwind {
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entry:
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br label %for.body
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for.body: ; preds = %for.body, %entry
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%i.01 = phi i32 [ 0, %entry ], [ %inc, %for.body ]
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call void asm sideeffect "", "~{r5}"() nounwind
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%inc = add nsw i32 %i.01, 1
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%exitcond = icmp eq i32 %inc, 2048
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br i1 %exitcond, label %for.end, label %for.body
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for.end: ; preds = %for.body
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ret void
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; CHECK: @test1
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; CHECK: mtctr
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}
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define void @test2(i32 %c) nounwind {
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entry:
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br label %for.body
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for.body: ; preds = %for.body, %entry
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%i.01 = phi i32 [ 0, %entry ], [ %inc, %for.body ]
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call void asm sideeffect "", "~{ctr}"() nounwind
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%inc = add nsw i32 %i.01, 1
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%exitcond = icmp eq i32 %inc, 2048
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br i1 %exitcond, label %for.end, label %for.body
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for.end: ; preds = %for.body
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ret void
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; CHECK: @test2
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; CHECK-NOT: mtctr
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}
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