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-rw-r--r--llvm/lib/CodeGen/GlobalISel/LegalizerHelper.cpp2
-rw-r--r--llvm/test/CodeGen/AArch64/GlobalISel/legalize-load-trunc.mir22
2 files changed, 23 insertions, 1 deletions
diff --git a/llvm/lib/CodeGen/GlobalISel/LegalizerHelper.cpp b/llvm/lib/CodeGen/GlobalISel/LegalizerHelper.cpp
index a9af31f882e..5e1d5d9b579 100644
--- a/llvm/lib/CodeGen/GlobalISel/LegalizerHelper.cpp
+++ b/llvm/lib/CodeGen/GlobalISel/LegalizerHelper.cpp
@@ -2117,7 +2117,7 @@ LegalizerHelper::lower(MachineInstr &MI, unsigned TypeIdx, LLT Ty) {
default:
llvm_unreachable("Unexpected opcode");
case TargetOpcode::G_LOAD:
- MIRBuilder.buildAnyExt(DstReg, TmpReg);
+ MIRBuilder.buildExtOrTrunc(TargetOpcode::G_ANYEXT, DstReg, TmpReg);
break;
case TargetOpcode::G_SEXTLOAD:
MIRBuilder.buildSExt(DstReg, TmpReg);
diff --git a/llvm/test/CodeGen/AArch64/GlobalISel/legalize-load-trunc.mir b/llvm/test/CodeGen/AArch64/GlobalISel/legalize-load-trunc.mir
new file mode 100644
index 00000000000..2ee372ada08
--- /dev/null
+++ b/llvm/test/CodeGen/AArch64/GlobalISel/legalize-load-trunc.mir
@@ -0,0 +1,22 @@
+# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
+# RUN: llc -march=aarch64 -run-pass=legalizer %s -o - -verify-machineinstrs | FileCheck %s
+---
+name: test_load_trunc
+stack:
+ - { id: 0, type: default, offset: 0, size: 2,
+ alignment: 2, stack-id: default, callee-saved-register: '', callee-saved-restored: true,
+ debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }
+body: |
+ bb.0.entry:
+
+ ; CHECK-LABEL: name: test_load_trunc
+ ; CHECK: [[FRAME_INDEX:%[0-9]+]]:_(p0) = G_FRAME_INDEX %stack.0
+ ; CHECK: [[LOAD:%[0-9]+]]:_(s16) = G_LOAD [[FRAME_INDEX]](p0) :: (load 2)
+ ; CHECK: [[TRUNC:%[0-9]+]]:_(s10) = G_TRUNC [[LOAD]](s16)
+ ; CHECK: [[TRUNC1:%[0-9]+]]:_(s1) = G_TRUNC [[TRUNC]](s10)
+ ; CHECK: RET_ReallyLR implicit [[TRUNC1]](s1)
+ %0:_(p0) = G_FRAME_INDEX %stack.0
+ %1:_(s10) = G_LOAD %0(p0) :: (load 2)
+ %2:_(s1) = G_TRUNC %1(s10)
+ RET_ReallyLR implicit %2(s1)
+...
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