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- ; RUN: opt -correlated-propagation -S %s | FileCheck %s
- target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128"
- target triple = "x86_64-apple-macosx10.10.0"
- ; Function Attrs: noreturn
- declare void @check1(i1) #1
- ; Function Attrs: noreturn
- declare void @check2(i1) #1
- ; Make sure we propagate the value of %tmp35 to the true/false cases
- ; CHECK-LABEL: @test1
- ; CHECK: call void @check1(i1 false)
- ; CHECK: call void @check2(i1 true)
- define void @test1(i64 %tmp35) {
- bb:
- %tmp36 = icmp sgt i64 %tmp35, 0
- br i1 %tmp36, label %bb_true, label %bb_false
- bb_true:
- %tmp47 = icmp slt i64 %tmp35, 0
- tail call void @check1(i1 %tmp47) #4
- unreachable
- bb_false:
- %tmp48 = icmp sle i64 %tmp35, 0
- tail call void @check2(i1 %tmp48) #4
- unreachable
- }
- ; Function Attrs: noreturn
- ; This is the same as test1 but with a diamond to ensure we
- ; get %tmp36 from both true and false BBs.
- ; CHECK-LABEL: @test2
- ; CHECK: call void @check1(i1 false)
- ; CHECK: call void @check2(i1 true)
- define void @test2(i64 %tmp35, i1 %inner_cmp) {
- bb:
- %tmp36 = icmp sgt i64 %tmp35, 0
- br i1 %tmp36, label %bb_true, label %bb_false
- bb_true:
- br i1 %inner_cmp, label %inner_true, label %inner_false
- inner_true:
- br label %merge
- inner_false:
- br label %merge
- merge:
- %tmp47 = icmp slt i64 %tmp35, 0
- tail call void @check1(i1 %tmp47) #0
- unreachable
- bb_false:
- %tmp48 = icmp sle i64 %tmp35, 0
- tail call void @check2(i1 %tmp48) #4
- unreachable
- }
- attributes #4 = { noreturn }
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