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-rw-r--r--llvm/test/CodeGen/AMDGPU/GlobalISel/legalize-bitcast.mir23
1 files changed, 23 insertions, 0 deletions
diff --git a/llvm/test/CodeGen/AMDGPU/GlobalISel/legalize-bitcast.mir b/llvm/test/CodeGen/AMDGPU/GlobalISel/legalize-bitcast.mir
new file mode 100644
index 00000000000..e27c313b8ec
--- /dev/null
+++ b/llvm/test/CodeGen/AMDGPU/GlobalISel/legalize-bitcast.mir
@@ -0,0 +1,23 @@
+# RUN: llc -mtriple=amdgcn-mesa-mesa3d -mcpu=fiji -run-pass=legalizer -global-isel %s -o - | FileCheck %s
+
+--- |
+ define void @test_bitcast() { ret void }
+...
+
+---
+name: test_bitcast
+registers:
+ - { id: 0, class: _ }
+ - { id: 1, class: _ }
+ - { id: 2, class: _ }
+body: |
+ bb.0:
+ liveins: %vgpr0
+ ; CHECK-LABEL: name: test_bitcast
+ ; CHECK: %1(<2 x s16>) = G_BITCAST %0
+ ; CHECK: %2(s32) = G_BITCAST %1
+
+ %0(s32) = COPY %vgpr0
+ %1(<2 x s16>) = G_BITCAST %0
+ %2(s32) = G_BITCAST %1
+...
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