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-rw-r--r--llvm/test/CodeGen/AMDGPU/spill-before-exec.mir100
1 files changed, 100 insertions, 0 deletions
diff --git a/llvm/test/CodeGen/AMDGPU/spill-before-exec.mir b/llvm/test/CodeGen/AMDGPU/spill-before-exec.mir
new file mode 100644
index 00000000000..0726a2500d6
--- /dev/null
+++ b/llvm/test/CodeGen/AMDGPU/spill-before-exec.mir
@@ -0,0 +1,100 @@
+# REQUIRES: asserts
+# RUN: llc -mtriple=amdgcn--- -verify-machineinstrs -debug-only=regalloc -run-pass=greedy -o /dev/null %s 2>&1 | FileCheck %s
+
+---
+# Check that physreg candidate is not used since cannot be spilled in a block,
+# e.g. before exec mask preamble
+# CHECK: , cannot spill all interferences.
+
+name: foo
+tracksRegLiveness: true
+registers:
+ - { id: 0, class: sreg_64 }
+ - { id: 1100, class: sreg_128 }
+ - { id: 1101, class: sreg_128 }
+ - { id: 1102, class: sreg_128 }
+ - { id: 1103, class: sreg_128 }
+ - { id: 1104, class: sreg_128 }
+ - { id: 1105, class: sreg_128 }
+ - { id: 1106, class: sreg_128 }
+ - { id: 1107, class: sreg_128 }
+ - { id: 1108, class: sreg_128 }
+ - { id: 1109, class: sreg_128 }
+ - { id: 1110, class: sreg_128 }
+ - { id: 1111, class: sreg_128 }
+ - { id: 1112, class: sreg_128 }
+ - { id: 1113, class: sreg_128 }
+ - { id: 1114, class: sreg_128 }
+ - { id: 1115, class: sreg_128 }
+ - { id: 1116, class: sreg_128 }
+ - { id: 1117, class: sreg_128 }
+ - { id: 1118, class: sreg_128 }
+ - { id: 1119, class: sreg_128 }
+ - { id: 1120, class: sreg_128 }
+ - { id: 1121, class: sreg_128 }
+body: |
+ bb.0:
+ successors: %bb.1
+ liveins: $sgpr96_sgpr97, $sgpr98_sgpr99, $sgpr100_sgpr101, $sgpr102_sgpr103
+ %0:sreg_64 = COPY $sgpr102_sgpr103
+ %1100 = COPY $sgpr100_sgpr101_sgpr102_sgpr103
+ %1101 = COPY %1100
+ %1102 = COPY %1100
+ %1103 = COPY %1100
+ %1104 = COPY %1100
+ %1105 = COPY %1100
+ %1106 = COPY %1100
+ %1107 = COPY %1100
+ %1108 = COPY %1100
+ %1109 = COPY %1100
+ %1110 = COPY %1100
+ %1111 = COPY %1100
+ %1112 = COPY %1100
+ %1113 = COPY %1100
+ %1114 = COPY %1100
+ %1115 = COPY %1100
+ %1116 = COPY %1100
+ %1117 = COPY %1100
+ %1118 = COPY %1100
+ %1119 = COPY %1100
+ %1120 = COPY %1100
+ %1121 = COPY %1100
+ S_BRANCH %bb.1
+
+ bb.1:
+ liveins: $sgpr96_sgpr97, $sgpr98_sgpr99, $sgpr102_sgpr103
+ %0 = S_OR_SAVEEXEC_B64 $sgpr96_sgpr97, implicit-def $exec, implicit-def $scc, implicit $exec
+ $exec = S_XOR_B64_term $exec, %0, implicit-def $scc
+ SI_MASK_BRANCH %bb.100, implicit $exec
+ S_BRANCH %bb.2
+
+ bb.2:
+ liveins: $sgpr98_sgpr99, $sgpr102_sgpr103
+ %0:sreg_64 = S_OR_SAVEEXEC_B64 $sgpr98_sgpr99, implicit-def $exec, implicit-def $scc, implicit $exec
+ $exec = S_XOR_B64_term $exec, %0, implicit-def $scc
+ SI_MASK_BRANCH %bb.100, implicit $exec
+ S_BRANCH %bb.200
+
+ bb.100:
+ liveins: $sgpr102_sgpr103
+ %0:sreg_64 = S_OR_SAVEEXEC_B64 $sgpr102_sgpr103, implicit-def $exec, implicit-def $scc, implicit $exec
+ $exec = S_XOR_B64_term $exec, %0, implicit-def $scc
+ S_BRANCH %bb.200
+
+ bb.200:
+ S_CMP_EQ_U64 %1100.sub0_sub1, %1101.sub2_sub3, implicit-def $scc
+ S_CMP_EQ_U64 %1102.sub0_sub1, %1103.sub2_sub3, implicit-def $scc
+ S_CMP_EQ_U64 %1104.sub0_sub1, %1105.sub2_sub3, implicit-def $scc
+ S_CMP_EQ_U64 %1106.sub0_sub1, %1107.sub2_sub3, implicit-def $scc
+ S_CMP_EQ_U64 %1108.sub0_sub1, %1109.sub2_sub3, implicit-def $scc
+ S_CMP_EQ_U64 %1110.sub0_sub1, %1111.sub2_sub3, implicit-def $scc
+ S_CMP_EQ_U64 %1112.sub0_sub1, %1113.sub2_sub3, implicit-def $scc
+ S_CMP_EQ_U64 %1114.sub0_sub1, %1115.sub2_sub3, implicit-def $scc
+ S_CMP_EQ_U64 %1116.sub0_sub1, %1117.sub2_sub3, implicit-def $scc
+ S_CMP_EQ_U64 %1118.sub0_sub1, %1119.sub2_sub3, implicit-def $scc
+ S_CMP_EQ_U64 %1120.sub0_sub1, %1121.sub2_sub3, implicit-def $scc
+
+ $vgpr0 = V_MOV_B32_e32 0, implicit $exec
+ S_SETPC_B64_return %0, implicit $vgpr0
+
+...
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