derek.holloway
7502bf64a4
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112 lines
3.6 KiB
LLVM
112 lines
3.6 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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; RUN: opt -S -passes=instsimplify < %s | FileCheck %s
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define ptr @gep_zero_indices(ptr %p) {
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; CHECK-LABEL: @gep_zero_indices(
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; CHECK-NEXT: ret ptr [[P:%.*]]
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;
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%p2 = getelementptr { i64, i64 }, ptr %p, i64 0, i32 0
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ret ptr %p2
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}
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define ptr @gep_non_zero_indices1(ptr %p) {
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; CHECK-LABEL: @gep_non_zero_indices1(
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; CHECK-NEXT: [[P2:%.*]] = getelementptr { i64, i64 }, ptr [[P:%.*]], i64 0, i32 1
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; CHECK-NEXT: ret ptr [[P2]]
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;
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%p2 = getelementptr { i64, i64 }, ptr %p, i64 0, i32 1
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ret ptr %p2
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}
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define ptr @gep_non_zero_indices2(ptr %p) {
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; CHECK-LABEL: @gep_non_zero_indices2(
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; CHECK-NEXT: [[P2:%.*]] = getelementptr { i64, i64 }, ptr [[P:%.*]], i64 1, i32 0
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; CHECK-NEXT: ret ptr [[P2]]
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;
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%p2 = getelementptr { i64, i64 }, ptr %p, i64 1, i32 0
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ret ptr %p2
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}
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define <2 x ptr> @scalar_base_vector_index(ptr %p) {
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; CHECK-LABEL: @scalar_base_vector_index(
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; CHECK-NEXT: [[G:%.*]] = getelementptr { i64, i64 }, ptr [[P:%.*]], <2 x i64> zeroinitializer, i32 0
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; CHECK-NEXT: ret <2 x ptr> [[G]]
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;
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%g = getelementptr { i64, i64 }, ptr %p, <2 x i64> zeroinitializer, i32 0
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ret <2 x ptr> %g
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}
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define <2 x ptr> @vector_base_vector_index(<2 x ptr> %p) {
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; CHECK-LABEL: @vector_base_vector_index(
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; CHECK-NEXT: ret <2 x ptr> [[P:%.*]]
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;
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%g = getelementptr { i64, i64 }, <2 x ptr> %p, <2 x i64> zeroinitializer, i32 0
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ret <2 x ptr> %g
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}
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define <2 x ptr> @vector_base_scalar_index(<2 x ptr> %p) {
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; CHECK-LABEL: @vector_base_scalar_index(
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; CHECK-NEXT: ret <2 x ptr> [[P:%.*]]
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;
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%g = getelementptr { i64, i64 }, <2 x ptr> %p, i64 0, i32 0
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ret <2 x ptr> %g
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}
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@g = external global [2 x i32]
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define ptr @constexpr_zero_gep_scalar_base_scalar_index() {
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; CHECK-LABEL: @constexpr_zero_gep_scalar_base_scalar_index(
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; CHECK-NEXT: ret ptr @g
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;
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ret ptr @g
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}
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define <2 x ptr> @constexpr_zero_gep_vector_base_scalar_index() {
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; CHECK-LABEL: @constexpr_zero_gep_vector_base_scalar_index(
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; CHECK-NEXT: ret <2 x ptr> <ptr @g, ptr @g>
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;
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ret <2 x ptr> getelementptr ([2 x i32], <2 x ptr> <ptr @g, ptr @g>, i64 0, i64 0)
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}
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define <2 x ptr> @constexpr_zero_gep_scalar_base_vector_index() {
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; CHECK-LABEL: @constexpr_zero_gep_scalar_base_vector_index(
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; CHECK-NEXT: ret <2 x ptr> <ptr @g, ptr @g>
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;
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ret <2 x ptr> getelementptr ([2 x i32], ptr @g, <2 x i64> zeroinitializer, i64 0)
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}
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define <2 x ptr> @constexpr_zero_gep_vector_base_vector_index() {
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; CHECK-LABEL: @constexpr_zero_gep_vector_base_vector_index(
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; CHECK-NEXT: ret <2 x ptr> <ptr @g, ptr @g>
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;
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ret <2 x ptr> getelementptr ([2 x i32], <2 x ptr> <ptr @g, ptr @g>, <2 x i64> zeroinitializer, i64 0)
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}
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define ptr @constexpr_undef_gep_scalar_base_scalar_index() {
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; CHECK-LABEL: @constexpr_undef_gep_scalar_base_scalar_index(
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; CHECK-NEXT: ret ptr @g
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;
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ret ptr getelementptr ([2 x i32], ptr @g, i64 0, i64 undef)
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}
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define <2 x ptr> @constexpr_undef_gep_vector_base_scalar_index() {
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; CHECK-LABEL: @constexpr_undef_gep_vector_base_scalar_index(
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; CHECK-NEXT: ret <2 x ptr> <ptr @g, ptr @g>
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;
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ret <2 x ptr> getelementptr ([2 x i32], <2 x ptr> <ptr @g, ptr @g>, i64 undef, i64 undef)
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}
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define <2 x ptr> @constexpr_undef_gep_scalar_base_vector_index() {
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; CHECK-LABEL: @constexpr_undef_gep_scalar_base_vector_index(
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; CHECK-NEXT: ret <2 x ptr> <ptr @g, ptr @g>
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;
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ret <2 x ptr> getelementptr ([2 x i32], ptr @g, <2 x i64> undef, i64 0)
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}
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define <2 x ptr> @constexpr_undef_gep_vector_base_vector_index() {
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; CHECK-LABEL: @constexpr_undef_gep_vector_base_vector_index(
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; CHECK-NEXT: ret <2 x ptr> <ptr @g, ptr @g>
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;
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ret <2 x ptr> getelementptr ([2 x i32], <2 x ptr> <ptr @g, ptr @g>, <2 x i64> undef, i64 0)
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}
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