55 lines
1.5 KiB
LLVM
55 lines
1.5 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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; CHECK-LABEL: define {{.*}}@exit_block_with_same_incoming_vals
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; CHECK: call {{.*}}@exit_block_with_same_incoming_vals.cold.1(
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; CHECK-NOT: br i1 undef
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; CHECK: phi i32 [ 0, %entry ], [ %p.ce.reload, %codeRepl ]
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define void @exit_block_with_same_incoming_vals(i32 %cond) {
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entry:
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%tobool = icmp eq i32 %cond, 0
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br i1 %tobool, label %if.end, label %coldbb
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coldbb:
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call void @sink()
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call void @sideeffect()
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br i1 undef, label %if.end, label %coldbb2
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coldbb2:
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%p2 = phi i32 [0, %coldbb], [1, %coldbb2]
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br i1 undef, label %if.end, label %coldbb2
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if.end:
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%p = phi i32 [0, %entry], [1, %coldbb], [1, %coldbb2]
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ret void
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}
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; CHECK-LABEL: define {{.*}}@exit_block_with_distinct_incoming_vals
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; CHECK: call {{.*}}@exit_block_with_distinct_incoming_vals.cold.1(
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; CHECK-NOT: br i1 undef
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; CHECK: phi i32 [ 0, %entry ], [ %p.ce.reload, %codeRepl ]
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define void @exit_block_with_distinct_incoming_vals(i32 %cond) {
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entry:
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%tobool = icmp eq i32 %cond, 0
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br i1 %tobool, label %if.end, label %coldbb
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coldbb:
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call void @sink()
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call void @sideeffect()
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br i1 undef, label %if.end, label %coldbb2
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coldbb2:
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%p2 = phi i32 [0, %coldbb], [1, %coldbb2]
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br i1 undef, label %if.end, label %coldbb2
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if.end:
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%p = phi i32 [0, %entry], [1, %coldbb], [2, %coldbb2]
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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()
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