AMDGPU: Forgot to commit test file for r358890

llvm-svn: 359885

1 files changed, 97 insertions, 0 deletions

diff --git a/llvm/test/CodeGen/AMDGPU/optimize-exec-masking-pre-ra.mir b/llvm/test/CodeGen/AMDGPU/optimize-exec-masking-pre-ra.mir
new file mode 100644
index 00000000000..a2fec4d298b
--- /dev/null
+++ b/llvm/test/CodeGen/AMDGPU/optimize-exec-masking-pre-ra.mir
@@ -0,0 +1,97 @@
+# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
+# RUN: llc -mtriple=amdgcn-mesa-mesa3d -run-pass=si-optimize-exec-masking-pre-ra %s -o - | FileCheck -check-prefix=GCN %s
+
+# Check for regression from assuming an instruction was a copy after
+# dropping the opcode check.
+---
+name: exec_src1_is_not_copy
+tracksRegLiveness: true
+machineFunctionInfo:
+  isEntryFunction: true
+  scratchRSrcReg:  '$sgpr96_sgpr97_sgpr98_sgpr99'
+  scratchWaveOffsetReg: '$sgpr101'
+  frameOffsetReg:  '$sgpr101'
+body:             |
+  ; GCN-LABEL: name: exec_src1_is_not_copy
+  ; GCN: bb.0:
+  ; GCN:   successors: %bb.1(0x40000000), %bb.2(0x40000000)
+  ; GCN:   liveins: $vgpr0
+  ; GCN:   [[COPY:%[0-9]+]]:sreg_64 = COPY $exec
+  ; GCN:   [[DEF:%[0-9]+]]:vgpr_32 = IMPLICIT_DEF
+  ; GCN:   [[V_CMP_NE_U32_e64_:%[0-9]+]]:sreg_64 = V_CMP_NE_U32_e64 0, [[DEF]], implicit $exec
+  ; GCN:   [[COPY1:%[0-9]+]]:sreg_64 = COPY $exec, implicit-def $exec
+  ; GCN:   [[S_AND_B64_:%[0-9]+]]:sreg_64 = S_AND_B64 [[COPY1]], [[V_CMP_NE_U32_e64_]], implicit-def dead $scc
+  ; GCN:   [[S_XOR_B64_:%[0-9]+]]:sreg_64 = S_XOR_B64 [[S_AND_B64_]], [[COPY1]], implicit-def dead $scc
+  ; GCN:   $exec = S_MOV_B64_term [[S_AND_B64_]]
+  ; GCN:   SI_MASK_BRANCH %bb.2, implicit $exec
+  ; GCN:   S_BRANCH %bb.1
+  ; GCN: bb.1:
+  ; GCN:   successors: %bb.2(0x80000000)
+  ; GCN: bb.2:
+  ; GCN:   successors: %bb.3(0x40000000), %bb.6(0x40000000)
+  ; GCN:   [[S_OR_SAVEEXEC_B64_:%[0-9]+]]:sreg_64 = S_OR_SAVEEXEC_B64 [[S_XOR_B64_]], implicit-def $exec, implicit-def $scc, implicit $exec
+  ; GCN:   $exec = S_AND_B64 $exec, [[COPY]], implicit-def dead $scc
+  ; GCN:   [[S_AND_B64_1:%[0-9]+]]:sreg_64 = S_AND_B64 $exec, [[S_OR_SAVEEXEC_B64_]], implicit-def $scc
+  ; GCN:   $exec = S_XOR_B64_term $exec, [[S_AND_B64_1]], implicit-def $scc
+  ; GCN:   SI_MASK_BRANCH %bb.6, implicit $exec
+  ; GCN:   S_BRANCH %bb.3
+  ; GCN: bb.3:
+  ; GCN:   successors: %bb.4(0x40000000), %bb.5(0x40000000)
+  ; GCN:   [[V_CMP_NE_U32_e64_1:%[0-9]+]]:sreg_64 = V_CMP_NE_U32_e64 0, [[DEF]], implicit $exec
+  ; GCN:   [[COPY2:%[0-9]+]]:sreg_64 = COPY $exec, implicit-def $exec
+  ; GCN:   [[S_AND_B64_2:%[0-9]+]]:sreg_64 = S_AND_B64 [[COPY2]], [[V_CMP_NE_U32_e64_1]], implicit-def dead $scc
+  ; GCN:   $exec = S_MOV_B64_term [[S_AND_B64_2]]
+  ; GCN:   SI_MASK_BRANCH %bb.5, implicit $exec
+  ; GCN:   S_BRANCH %bb.4
+  ; GCN: bb.4:
+  ; GCN:   successors: %bb.5(0x80000000)
+  ; GCN: bb.5:
+  ; GCN:   successors: %bb.6(0x80000000)
+  ; GCN:   $exec = S_OR_B64 $exec, [[COPY2]], implicit-def $scc
+  ; GCN: bb.6:
+  ; GCN:   $exec = S_OR_B64 $exec, [[S_AND_B64_1]], implicit-def $scc
+  bb.0:
+    successors: %bb.1, %bb.2
+    liveins: $vgpr0
+
+    %0:sreg_64 = COPY $exec
+    %1:vgpr_32 = IMPLICIT_DEF
+    %2:sreg_64 = V_CMP_NE_U32_e64 0, %1, implicit $exec
+    %3:sreg_64 = COPY $exec, implicit-def $exec
+    %4:sreg_64 = S_AND_B64 %3, %2, implicit-def dead $scc
+    %5:sreg_64 = S_XOR_B64 %4, %3, implicit-def dead $scc
+    $exec = S_MOV_B64_term %4
+    SI_MASK_BRANCH %bb.2, implicit $exec
+    S_BRANCH %bb.1
+
+  bb.1:
+
+  bb.2:
+    successors: %bb.3, %bb.6
+
+    %6:sreg_64 = S_OR_SAVEEXEC_B64 %5, implicit-def $exec, implicit-def $scc, implicit $exec
+    $exec = S_AND_B64 $exec, %0, implicit-def dead $scc
+    %7:sreg_64 = S_AND_B64 $exec, %6, implicit-def $scc
+    $exec = S_XOR_B64_term $exec, %7, implicit-def $scc
+    SI_MASK_BRANCH %bb.6, implicit $exec
+    S_BRANCH %bb.3
+
+  bb.3:
+    successors: %bb.4, %bb.5
+
+    %8:sreg_64 = V_CMP_NE_U32_e64 0, %1, implicit $exec
+    %9:sreg_64 = COPY $exec, implicit-def $exec
+    %10:sreg_64 = S_AND_B64 %9, %8, implicit-def dead $scc
+    $exec = S_MOV_B64_term %10
+    SI_MASK_BRANCH %bb.5, implicit $exec
+    S_BRANCH %bb.4
+
+  bb.4:
+
+  bb.5:
+    $exec = S_OR_B64 $exec, %9, implicit-def $scc
+
+  bb.6:
+    $exec = S_OR_B64 $exec, %7, implicit-def $scc
+
+...