Use cbz and cbnz instructions.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85698 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/CodeGen/Thumb2/machine-licm.ll b/test/CodeGen/Thumb2/machine-licm.ll
index 07587e9..f9c56f0 100644
--- a/test/CodeGen/Thumb2/machine-licm.ll
+++ b/test/CodeGen/Thumb2/machine-licm.ll
@@ -8,6 +8,8 @@
define arm_apcscc void @t(i32* nocapture %vals, i32 %c) nounwind {
entry:
+; CHECK: t:
+; CHECK: cbz
%0 = icmp eq i32 %c, 0 ; <i1> [#uses=1]
br i1 %0, label %return, label %bb.nph
diff --git a/test/CodeGen/Thumb2/thumb2-cbnz.ll b/test/CodeGen/Thumb2/thumb2-cbnz.ll
new file mode 100644
index 0000000..55c1276
--- /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
+}