[llvm-branch-commits] [llvm-branch] r294474 - Forgot to add this in r294473

Hans Wennborg via llvm-branch-commits llvm-branch-commits at lists.llvm.org
Wed Feb 8 08:47:34 PST 2017


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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