56 lines
1.5 KiB
LLVM
56 lines
1.5 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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; RUN: opt < %s -passes=instcombine -S | FileCheck %s
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declare ptr @memrchr(ptr, i32, i32)
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define ptr @test1(ptr %str, i32 %c, i32 %n) {
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; CHECK-LABEL: @test1(
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; CHECK-NEXT: [[RET:%.*]] = call ptr @memrchr(ptr [[STR:%.*]], i32 [[C:%.*]], i32 [[N:%.*]])
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; CHECK-NEXT: ret ptr [[RET]]
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;
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%ret = call ptr @memrchr(ptr %str, i32 %c, i32 %n)
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ret ptr %ret
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}
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define ptr @test2(ptr %str, i32 %c, i32 %n) {
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; CHECK-LABEL: @test2(
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; CHECK-NEXT: [[RET:%.*]] = call ptr @memrchr(ptr nonnull [[STR:%.*]], i32 [[C:%.*]], i32 [[N:%.*]])
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; CHECK-NEXT: ret ptr [[RET]]
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;
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%ret = call ptr @memrchr(ptr nonnull %str, i32 %c, i32 %n)
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ret ptr %ret
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}
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define ptr @test3(ptr %str, i32 %c) {
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; CHECK-LABEL: @test3(
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; CHECK-NEXT: [[RET:%.*]] = call ptr @memrchr(ptr [[STR:%.*]], i32 [[C:%.*]], i32 5)
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; CHECK-NEXT: ret ptr [[RET]]
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;
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%ret = call ptr @memrchr(ptr %str, i32 %c, i32 5)
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ret ptr %ret
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}
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define ptr @test4(ptr %str, i32 %c) null_pointer_is_valid {
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; CHECK-LABEL: @test4(
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; CHECK-NEXT: [[RET:%.*]] = call ptr @memrchr(ptr [[STR:%.*]], i32 [[C:%.*]], i32 5)
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; CHECK-NEXT: ret ptr [[RET]]
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;
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%ret = call ptr @memrchr(ptr %str, i32 %c, i32 5)
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ret ptr %ret
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}
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define ptr @test5(ptr %str, i32 %c) {
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; CHECK-LABEL: @test5(
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; CHECK-NEXT: [[RET:%.*]] = call ptr @memrchr(ptr [[STR:%.*]], i32 [[C:%.*]], i32 0)
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; CHECK-NEXT: ret ptr [[RET]]
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;
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%ret = call ptr @memrchr(ptr %str, i32 %c, i32 0)
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ret ptr %ret
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}
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