55 lines
1.8 KiB
LLVM
55 lines
1.8 KiB
LLVM
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; RUN: opt -S -hotcoldsplit -hotcoldsplit-threshold=0 < %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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declare void @sideeffect(i64)
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declare i8* @realloc(i8* %ptr, i64 %size)
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declare void @free(i8* %ptr)
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declare void @sink() cold
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; CHECK-LABEL: define {{.*}}@realloc2(
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; CHECK: call {{.*}}@sideeffect(
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; CHECK: call {{.*}}@realloc(
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; CHECK-LABEL: codeRepl:
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; CHECK: call {{.*}}@realloc2.cold.1(i64 %size, i8* %ptr, i8** %retval.0.ce.loc)
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; CHECK-LABEL: cleanup:
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; CHECK-NEXT: phi i8* [ null, %if.then ], [ %call, %if.end ], [ %retval.0.ce.reload, %codeRepl ]
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define i8* @realloc2(i8* %ptr, i64 %size) {
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entry:
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%0 = add i64 %size, -1
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%1 = icmp ugt i64 %0, 184549375
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br i1 %1, label %if.then, label %if.end
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if.then: ; preds = %entry
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call void @sideeffect(i64 %size)
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br label %cleanup
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if.end: ; preds = %entry
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%call = call i8* @realloc(i8* %ptr, i64 %size)
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%tobool1 = icmp eq i8* %call, null
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br i1 %tobool1, label %if.then2, label %cleanup
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if.then2: ; preds = %if.end
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call void @sideeffect(i64 %size)
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call void @sink()
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%tobool3 = icmp eq i8* %ptr, null
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br i1 %tobool3, label %cleanup, label %if.then4
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if.then4: ; preds = %if.then2
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call void @free(i8* %ptr)
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br label %cleanup
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cleanup: ; preds = %if.end, %if.then4, %if.then2, %if.then
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%retval.0 = phi i8* [ null, %if.then ], [ null, %if.then2 ], [ null, %if.then4 ], [ %call, %if.end ]
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ret i8* %retval.0
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}
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; CHECK-LABEL: define {{.*}}@realloc2.cold.1(
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; CHECK: call {{.*}}@sideeffect
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; CHECK: call {{.*}}@sink
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; CHECK: call {{.*}}@free
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