[llvm] r296452 - [ARM] GlobalISel: Legalize G_GEP with 32-bit offsets
Diana Picus via llvm-commits
llvm-commits at lists.llvm.org
Tue Feb 28 01:02:42 PST 2017
Author: rovka
Date: Tue Feb 28 03:02:42 2017
New Revision: 296452
URL: http://llvm.org/viewvc/llvm-project?rev=296452&view=rev
Log:
[ARM] GlobalISel: Legalize G_GEP with 32-bit offsets
At the moment we're only interested in GEPs for putting call parameters on the
stack, so we'll stick to 32-bit offsets.
Modified:
llvm/trunk/lib/Target/ARM/ARMLegalizerInfo.cpp
llvm/trunk/test/CodeGen/ARM/GlobalISel/arm-legalizer.mir
Modified: llvm/trunk/lib/Target/ARM/ARMLegalizerInfo.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/ARM/ARMLegalizerInfo.cpp?rev=296452&r1=296451&r2=296452&view=diff
==============================================================================
--- llvm/trunk/lib/Target/ARM/ARMLegalizerInfo.cpp (original)
+++ llvm/trunk/lib/Target/ARM/ARMLegalizerInfo.cpp Tue Feb 28 03:02:42 2017
@@ -52,6 +52,9 @@ ARMLegalizerInfo::ARMLegalizerInfo(const
setAction({Op, 1, Ty}, Legal);
}
+ setAction({G_GEP, p0}, Legal);
+ setAction({G_GEP, 1, s32}, Legal);
+
if (ST.hasVFP2()) {
setAction({G_FADD, s32}, Legal);
setAction({G_FADD, s64}, Legal);
Modified: llvm/trunk/test/CodeGen/ARM/GlobalISel/arm-legalizer.mir
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/ARM/GlobalISel/arm-legalizer.mir?rev=296452&r1=296451&r2=296452&view=diff
==============================================================================
--- llvm/trunk/test/CodeGen/ARM/GlobalISel/arm-legalizer.mir (original)
+++ llvm/trunk/test/CodeGen/ARM/GlobalISel/arm-legalizer.mir Tue Feb 28 03:02:42 2017
@@ -11,6 +11,8 @@
define void @test_legal_loads() #0 { ret void }
define void @test_legal_stores() #0 { ret void }
+ define void @test_gep() { ret void }
+
define void @test_fadd_s32() #0 { ret void }
define void @test_fadd_s64() #0 { ret void }
@@ -242,6 +244,31 @@ body: |
BX_RET 14, _
...
---
+name: test_gep
+# CHECK-LABEL: name: test_gep
+legalized: false
+# CHECK: legalized: true
+regBankSelected: false
+selected: false
+tracksRegLiveness: true
+registers:
+ - { id: 0, class: _ }
+ - { id: 1, class: _ }
+ - { id: 2, class: _ }
+body: |
+ bb.0:
+ liveins: %r0, %r1
+
+ %0(p0) = COPY %r0
+ %1(s32) = COPY %r1
+
+ ; CHECK: {{%[0-9]+}}(p0) = G_GEP {{%[0-9]+}}, {{%[0-9]+}}(s32)
+ %2(p0) = G_GEP %0, %1(s32)
+
+ %r0 = COPY %2(p0)
+ BX_RET 14, _, implicit %r0
+...
+---
name: test_fadd_s32
# CHECK-LABEL: name: test_fadd_s32
legalized: false
More information about the llvm-commits
mailing list