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authorEvan Cheng <evan.cheng@apple.com>2009-10-31 23:46:45 +0000
committerEvan Cheng <evan.cheng@apple.com>2009-10-31 23:46:45 +0000
commitde17fb6e4dd8f169f707d58d4e124c8d4d2c7dba (patch)
tree71760aa0b6751add99b6d1b54454501a73be3577 /test/CodeGen/Thumb2/thumb2-cbnz.ll
parent8cd0a8cb821263be4dc40b0b376ff02bfbd89f88 (diff)
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Use cbz and cbnz instructions.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85698 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/CodeGen/Thumb2/thumb2-cbnz.ll')
-rw-r--r--test/CodeGen/Thumb2/thumb2-cbnz.ll32
1 files changed, 32 insertions, 0 deletions
diff --git a/test/CodeGen/Thumb2/thumb2-cbnz.ll b/test/CodeGen/Thumb2/thumb2-cbnz.ll
new file mode 100644
index 0000000000..55c1276e41
--- /dev/null
+++ b/test/CodeGen/Thumb2/thumb2-cbnz.ll
@@ -0,0 +1,32 @@
+; RUN: llc < %s -mtriple=thumbv7-apple-darwin -mcpu=cortex-a8 | FileCheck %s
+; rdar://7354379
+
+declare arm_apcscc double @floor(double) nounwind readnone
+
+define void @t(i1 %a, double %b) {
+entry:
+ br i1 %a, label %bb3, label %bb1
+
+bb1: ; preds = %entry
+ unreachable
+
+bb3: ; preds = %entry
+ br i1 %a, label %bb7, label %bb5
+
+bb5: ; preds = %bb3
+ unreachable
+
+bb7: ; preds = %bb3
+ br i1 %a, label %bb11, label %bb9
+
+bb9: ; preds = %bb7
+; CHECK: @ BB#3:
+; CHECK: cbnz
+ %0 = tail call arm_apcscc double @floor(double %b) nounwind readnone ; <double> [#uses=0]
+ br label %bb11
+
+bb11: ; preds = %bb9, %bb7
+ %1 = getelementptr i32* undef, i32 0
+ store i32 0, i32* %1
+ ret void
+}