Fix PR5614: parts of a physical register def may be killed the rest.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90180 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/CodeGen/ARM/2009-11-30-LiveVariablesBug.ll b/test/CodeGen/ARM/2009-11-30-LiveVariablesBug.ll
new file mode 100644
index 0000000..efe74cf
--- /dev/null
+++ b/test/CodeGen/ARM/2009-11-30-LiveVariablesBug.ll
@@ -0,0 +1,41 @@
+; RUN: llc -mtriple=armv7-eabi -mcpu=cortex-a8 < %s
+; PR5614
+
+%"als" = type { i32 (...)** }
+%"av" = type { %"als" }
+%"c" = type { %"lsm", %"Vec3", %"av"*, float, i8, float, %"lsm", i8, %"Vec3", %"Vec3", %"Vec3", float, float, float, %"Vec3", %"Vec3" }
+%"lsm" = type { %"als", %"Vec3", %"Vec3", %"Vec3", %"Vec3" }
+%"Vec3" = type { float, float, float }
+
+define arm_aapcs_vfpcc void @foo(%"c"* %this, %"Vec3"* nocapture %adjustment) {
+entry:
+ switch i32 undef, label %return [
+ i32 1, label %bb
+ i32 2, label %bb72
+ i32 3, label %bb31
+ i32 4, label %bb79
+ i32 5, label %bb104
+ ]
+
+bb: ; preds = %entry
+ ret void
+
+bb31: ; preds = %entry
+ %0 = call arm_aapcs_vfpcc %"Vec3" undef(%"lsm"* undef) ; <%"Vec3"> [#uses=1]
+ %mrv_gr69 = extractvalue %"Vec3" %0, 1 ; <float> [#uses=1]
+ %1 = fsub float %mrv_gr69, undef ; <float> [#uses=1]
+ store float %1, float* undef, align 4
+ ret void
+
+bb72: ; preds = %entry
+ ret void
+
+bb79: ; preds = %entry
+ ret void
+
+bb104: ; preds = %entry
+ ret void
+
+return: ; preds = %entry
+ ret void
+}