Author: hans
Date: Wed Feb 8 10:47:33 2017
New Revision: 294474
URL: http://llvm.org/viewvc/llvm-project?rev=294474&view=rev
Log:
Forgot to add this in r294473
Added:
llvm/branches/release_40/test/CodeGen/ARM/machine-copyprop.mir
Added: llvm/branches/release_40/test/CodeGen/ARM/machine-copyprop.mir
URL:
http://llvm.org/viewvc/llvm-project/llvm/branches/release_40/test/CodeGen/ARM/machine-copyprop.mir?rev=294474&view=auto
==============================================================================
--- llvm/branches/release_40/test/CodeGen/ARM/machine-copyprop.mir (added)
+++ llvm/branches/release_40/test/CodeGen/ARM/machine-copyprop.mir Wed Feb 8
10:47:33 2017
@@ -0,0 +1,22 @@
+# RUN: llc -o - %s -mtriple=armv7s-- -run-pass=machine-cp | FileCheck %s
+---
+# Test that machine copy prop recognizes the implicit-def operands on a COPY
+# as clobbering the register.
+# CHECK-LABEL: name: func
+# CHECK: %d2 = VMOVv2i32 2, 14, _
+# CHECK: %s5 = COPY %s0, implicit %q1, implicit-def %q1
+# CHECK: VST1q32 %r0, 0, %q1, 14, _
+# The following two COPYs must not be removed
+# CHECK: %s4 = COPY %s20, implicit-def %q1
+# CHECK: %s5 = COPY %s0, implicit killed %d0, implicit %q1, implicit-def %q1
+# CHECK: VST1q32 %r2, 0, %q1, 14, _
+name: func
+body: |
+ bb.0:
+ %d2 = VMOVv2i32 2, 14, _
+ %s5 = COPY %s0, implicit %q1, implicit-def %q1
+ VST1q32 %r0, 0, %q1, 14, _
+ %s4 = COPY %s20, implicit-def %q1
+ %s5 = COPY %s0, implicit killed %d0, implicit %q1, implicit-def %q1
+ VST1q32 %r2, 0, %q1, 14, _
+...
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