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| author | Stephen Hines <srhines@google.com> | 2015-03-23 12:10:34 -0700 |
|---|---|---|
| committer | Stephen Hines <srhines@google.com> | 2015-03-23 12:10:34 -0700 |
| commit | ebe69fe11e48d322045d5949c83283927a0d790b (patch) | |
| tree | c92f1907a6b8006628a4b01615f38264d29834ea /test/Transforms/CorrelatedValuePropagation/icmp.ll | |
| parent | b7d2e72b02a4cb8034f32f8247a2558d2434e121 (diff) | |
| download | external_llvm-ebe69fe11e48d322045d5949c83283927a0d790b.zip external_llvm-ebe69fe11e48d322045d5949c83283927a0d790b.tar.gz external_llvm-ebe69fe11e48d322045d5949c83283927a0d790b.tar.bz2 | |
Update aosp/master LLVM for rebase to r230699.
Change-Id: I2b5be30509658cb8266be782de0ab24f9099f9b9
Diffstat (limited to 'test/Transforms/CorrelatedValuePropagation/icmp.ll')
| -rw-r--r-- | test/Transforms/CorrelatedValuePropagation/icmp.ll | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/test/Transforms/CorrelatedValuePropagation/icmp.ll b/test/Transforms/CorrelatedValuePropagation/icmp.ll new file mode 100644 index 0000000..c2863ff --- /dev/null +++ b/test/Transforms/CorrelatedValuePropagation/icmp.ll @@ -0,0 +1,63 @@ +; 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 } |