[llvm] [GlobalIsel] Import GEP flags (PR #93850)
Thorsten Schütt via llvm-commits
llvm-commits at lists.llvm.org
Fri Jun 14 07:59:12 PDT 2024
================
@@ -0,0 +1,122 @@
+; NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
+; RUN: llc -O0 -mtriple=aarch64-linux-gnu -global-isel -stop-after=irtranslator %s -o - | FileCheck %s
+
+define i32 @gep_nusw_nuw(ptr %ptr, i32 %idx) {
+ ; CHECK-LABEL: name: gep_nusw_nuw
+ ; CHECK: bb.1 (%ir-block.0):
+ ; CHECK-NEXT: liveins: $w1, $x0
+ ; CHECK-NEXT: {{ $}}
+ ; CHECK-NEXT: [[COPY:%[0-9]+]]:_(p0) = COPY $x0
+ ; CHECK-NEXT: [[COPY1:%[0-9]+]]:_(s32) = COPY $w1
+ ; CHECK-NEXT: [[SEXT:%[0-9]+]]:_(s64) = G_SEXT [[COPY1]](s32)
+ ; CHECK-NEXT: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 16
+ ; CHECK-NEXT: [[MUL:%[0-9]+]]:_(s64) = G_MUL [[SEXT]], [[C]]
+ ; CHECK-NEXT: [[PTR_ADD:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[MUL]](s64)
+ ; CHECK-NEXT: [[COPY2:%[0-9]+]]:_(p0) = COPY [[PTR_ADD]](p0)
+ ; CHECK-NEXT: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY2]](p0) :: (load (s32) from %ir.gep1)
+ ; CHECK-NEXT: [[MUL1:%[0-9]+]]:_(s64) = G_MUL [[SEXT]], [[C]]
+ ; CHECK-NEXT: [[PTR_ADD1:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[MUL1]](s64)
+ ; CHECK-NEXT: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
+ ; CHECK-NEXT: %11:_(p0) = nuw nusw G_PTR_ADD [[PTR_ADD1]], [[C1]](s64)
+ ; CHECK-NEXT: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD %11(p0) :: (load (s32) from %ir.gep2)
+ ; CHECK-NEXT: [[ADD:%[0-9]+]]:_(s32) = G_ADD [[LOAD]], [[LOAD1]]
+ ; CHECK-NEXT: $w0 = COPY [[ADD]](s32)
+ ; CHECK-NEXT: RET_ReallyLR implicit $w0
+ %sidx = sext i32 %idx to i64
+ %gep1 = getelementptr inbounds [4 x i32], ptr %ptr, i64 %sidx, i64 0
+ %v1 = load i32, ptr %gep1
+ %gep2 = getelementptr nusw nuw [4 x i32], ptr %ptr, i64 %sidx, i64 1
+ %v2 = load i32, ptr %gep2
+ %res = add i32 %v1, %v2
+ ret i32 %res
+ }
+
+define i32 @gep_nuw(ptr %ptr, i32 %idx) {
+ ; CHECK-LABEL: name: gep_nuw
+ ; CHECK: bb.1 (%ir-block.0):
+ ; CHECK-NEXT: liveins: $w1, $x0
+ ; CHECK-NEXT: {{ $}}
+ ; CHECK-NEXT: [[COPY:%[0-9]+]]:_(p0) = COPY $x0
+ ; CHECK-NEXT: [[COPY1:%[0-9]+]]:_(s32) = COPY $w1
+ ; CHECK-NEXT: [[SEXT:%[0-9]+]]:_(s64) = G_SEXT [[COPY1]](s32)
+ ; CHECK-NEXT: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 16
+ ; CHECK-NEXT: [[MUL:%[0-9]+]]:_(s64) = G_MUL [[SEXT]], [[C]]
+ ; CHECK-NEXT: [[PTR_ADD:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[MUL]](s64)
+ ; CHECK-NEXT: [[COPY2:%[0-9]+]]:_(p0) = COPY [[PTR_ADD]](p0)
+ ; CHECK-NEXT: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY2]](p0) :: (load (s32) from %ir.gep1)
+ ; CHECK-NEXT: [[MUL1:%[0-9]+]]:_(s64) = G_MUL [[SEXT]], [[C]]
+ ; CHECK-NEXT: [[PTR_ADD1:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[MUL1]](s64)
+ ; CHECK-NEXT: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
+ ; CHECK-NEXT: [[PTR_ADD2:%[0-9]+]]:_(p0) = nuw G_PTR_ADD [[PTR_ADD1]], [[C1]](s64)
+ ; CHECK-NEXT: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p0) :: (load (s32) from %ir.gep2)
+ ; CHECK-NEXT: [[ADD:%[0-9]+]]:_(s32) = G_ADD [[LOAD]], [[LOAD1]]
+ ; CHECK-NEXT: $w0 = COPY [[ADD]](s32)
+ ; CHECK-NEXT: RET_ReallyLR implicit $w0
+ %sidx = sext i32 %idx to i64
+ %gep1 = getelementptr inbounds [4 x i32], ptr %ptr, i64 %sidx, i64 0
+ %v1 = load i32, ptr %gep1
+ %gep2 = getelementptr nuw [4 x i32], ptr %ptr, i64 %sidx, i64 1
+ %v2 = load i32, ptr %gep2
+ %res = add i32 %v1, %v2
+ ret i32 %res
+ }
+
+define i32 @gep_nusw(ptr %ptr, i32 %idx) {
+ ; CHECK-LABEL: name: gep_nusw
+ ; CHECK: bb.1 (%ir-block.0):
+ ; CHECK-NEXT: liveins: $w1, $x0
+ ; CHECK-NEXT: {{ $}}
+ ; CHECK-NEXT: [[COPY:%[0-9]+]]:_(p0) = COPY $x0
+ ; CHECK-NEXT: [[COPY1:%[0-9]+]]:_(s32) = COPY $w1
+ ; CHECK-NEXT: [[SEXT:%[0-9]+]]:_(s64) = G_SEXT [[COPY1]](s32)
+ ; CHECK-NEXT: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 16
+ ; CHECK-NEXT: [[MUL:%[0-9]+]]:_(s64) = G_MUL [[SEXT]], [[C]]
+ ; CHECK-NEXT: [[PTR_ADD:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[MUL]](s64)
+ ; CHECK-NEXT: [[COPY2:%[0-9]+]]:_(p0) = COPY [[PTR_ADD]](p0)
+ ; CHECK-NEXT: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY2]](p0) :: (load (s32) from %ir.gep1)
+ ; CHECK-NEXT: [[MUL1:%[0-9]+]]:_(s64) = G_MUL [[SEXT]], [[C]]
+ ; CHECK-NEXT: [[PTR_ADD1:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[MUL1]](s64)
+ ; CHECK-NEXT: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
+ ; CHECK-NEXT: %11:_(p0) = nusw G_PTR_ADD [[PTR_ADD1]], [[C1]](s64)
+ ; CHECK-NEXT: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD %11(p0) :: (load (s32) from %ir.gep2)
+ ; CHECK-NEXT: [[ADD:%[0-9]+]]:_(s32) = G_ADD [[LOAD]], [[LOAD1]]
+ ; CHECK-NEXT: $w0 = COPY [[ADD]](s32)
+ ; CHECK-NEXT: RET_ReallyLR implicit $w0
+ %sidx = sext i32 %idx to i64
+ %gep1 = getelementptr inbounds [4 x i32], ptr %ptr, i64 %sidx, i64 0
+ %v1 = load i32, ptr %gep1
+ %gep2 = getelementptr nusw [4 x i32], ptr %ptr, i64 %sidx, i64 1
+ %v2 = load i32, ptr %gep2
+ %res = add i32 %v1, %v2
+ ret i32 %res
+ }
+
+define i32 @gep_none(ptr %ptr, i32 %idx) {
+ ; CHECK-LABEL: name: gep_none
+ ; CHECK: bb.1 (%ir-block.0):
+ ; CHECK-NEXT: liveins: $w1, $x0
+ ; CHECK-NEXT: {{ $}}
+ ; CHECK-NEXT: [[COPY:%[0-9]+]]:_(p0) = COPY $x0
+ ; CHECK-NEXT: [[COPY1:%[0-9]+]]:_(s32) = COPY $w1
+ ; CHECK-NEXT: [[SEXT:%[0-9]+]]:_(s64) = G_SEXT [[COPY1]](s32)
+ ; CHECK-NEXT: [[C:%[0-9]+]]:_(s64) = G_CONSTANT i64 16
+ ; CHECK-NEXT: [[MUL:%[0-9]+]]:_(s64) = G_MUL [[SEXT]], [[C]]
+ ; CHECK-NEXT: [[PTR_ADD:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[MUL]](s64)
+ ; CHECK-NEXT: [[COPY2:%[0-9]+]]:_(p0) = COPY [[PTR_ADD]](p0)
+ ; CHECK-NEXT: [[LOAD:%[0-9]+]]:_(s32) = G_LOAD [[COPY2]](p0) :: (load (s32) from %ir.gep1)
+ ; CHECK-NEXT: [[MUL1:%[0-9]+]]:_(s64) = G_MUL [[SEXT]], [[C]]
+ ; CHECK-NEXT: [[PTR_ADD1:%[0-9]+]]:_(p0) = G_PTR_ADD [[COPY]], [[MUL1]](s64)
+ ; CHECK-NEXT: [[C1:%[0-9]+]]:_(s64) = G_CONSTANT i64 4
+ ; CHECK-NEXT: [[PTR_ADD2:%[0-9]+]]:_(p0) = G_PTR_ADD [[PTR_ADD1]], [[C1]](s64)
+ ; CHECK-NEXT: [[LOAD1:%[0-9]+]]:_(s32) = G_LOAD [[PTR_ADD2]](p0) :: (load (s32) from %ir.gep2)
+ ; CHECK-NEXT: [[ADD:%[0-9]+]]:_(s32) = G_ADD [[LOAD]], [[LOAD1]]
+ ; CHECK-NEXT: $w0 = COPY [[ADD]](s32)
+ ; CHECK-NEXT: RET_ReallyLR implicit $w0
+ %sidx = sext i32 %idx to i64
+ %gep1 = getelementptr inbounds [4 x i32], ptr %ptr, i64 %sidx, i64 0
+ %v1 = load i32, ptr %gep1
+ %gep2 = getelementptr [4 x i32], ptr %ptr, i64 %sidx, i64 1
+ %v2 = load i32, ptr %gep2
+ %res = add i32 %v1, %v2
+ ret i32 %res
+ }
----------------
tschuett wrote:
The GEP is a vector.
https://github.com/llvm/llvm-project/pull/93850
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