72 lines
2.1 KiB
LLVM
72 lines
2.1 KiB
LLVM
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; RUN: opt -hotcoldsplit-threshold=0 -hotcoldsplit -S < %s | FileCheck %s
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target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128"
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target triple = "x86_64-apple-macosx10.14.0"
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; CHECK-LABEL: define {{.*}}@pluto(
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; CHECK-NEXT: bb:
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; CHECK-NEXT: %tmp8.ce.loc = alloca i1
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; CHECK-NEXT: switch i8 undef, label %codeRepl [
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; CHECK-NEXT: i8 0, label %bb7
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; CHECK-NEXT: i8 1, label %bb7
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; CHECK-NEXT: ]
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;
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; CHECK: codeRepl:
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; CHECK-NEXT: bitcast
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; CHECK-NEXT: lifetime.start
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; CHECK-NEXT: call void @pluto.cold.1(i1* %tmp8.ce.loc)
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; CHECK-NEXT: %tmp8.ce.reload = load i1, i1* %tmp8.ce.loc
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; CHECK-NEXT: lifetime.end
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; CHECK-NEXT: br label %bb7
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;
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; CHECK: bb7:
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; CHECK: %tmp8 = phi i1 [ true, %bb ], [ true, %bb ], [ %tmp8.ce.reload, %codeRepl ]
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; CHECK: ret void
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; CHECK-LABEL: define {{.*}}@pluto.cold.1(
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; CHECK: call {{.*}}@sideeffect(i32 1)
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; CHECK: call {{.*}}@sink(
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; CHECK: call {{.*}}@sideeffect(i32 3)
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; CHECK: call {{.*}}@sideeffect(i32 4)
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; CHECK: call {{.*}}@sideeffect(i32 5)
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define void @pluto() {
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bb:
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switch i8 undef, label %bb1 [
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i8 0, label %bb7
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i8 1, label %bb7
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]
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bb1: ; preds = %bb
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call void @sideeffect(i32 1)
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br label %bb2
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bb2: ; preds = %bb1
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call void @sink()
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br i1 undef, label %bb7, label %bb3
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bb3: ; preds = %bb2
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call void @sideeffect(i32 3)
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br label %bb4
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bb4: ; preds = %bb3
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call void @sideeffect(i32 4)
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br i1 undef, label %bb5, label %bb6
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bb5: ; preds = %bb4
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call void @sideeffect(i32 5)
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br label %bb6
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bb6: ; preds = %bb5, %bb4
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%tmp = phi i1 [ true, %bb5 ], [ false, %bb4 ]
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call void @sideeffect(i32 6)
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br label %bb7
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bb7: ; preds = %bb6, %bb2, %bb, %bb
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%tmp8 = phi i1 [ true, %bb ], [ true, %bb ], [ true, %bb2 ], [ %tmp, %bb6 ]
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ret void
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}
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declare void @sink() cold
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declare void @sideeffect(i32)
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