forked from OSchip/llvm-project
92 lines
2.1 KiB
LLVM
92 lines
2.1 KiB
LLVM
; RUN: llc < %s -O0 -mtriple=i686--
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; RUN: llc < %s -O0 -mtriple=x86_64--
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; RUN: llc < %s -O2 -mtriple=i686--
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; RUN: llc < %s -O2 -mtriple=x86_64--
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; Test big index trunc to pointer size:
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define i8* @test_trunc65(i8* %ptr) nounwind {
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; CHECK-LABEL: test_trunc65
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; CHECK: 3
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%d = getelementptr i8, i8* %ptr, i65 18446744073709551619 ; 2^64 + 3
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ret i8* %d
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}
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define i8* @test_trunc128(i8* %ptr) nounwind {
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; CHECK-LABEL: test_trunc128
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; CHECK: 5
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%d = getelementptr i8, i8* %ptr, i128 18446744073709551621 ; 2^64 + 5
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ret i8* %d
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}
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define i8* @test_trunc160(i8* %ptr) nounwind {
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; CHECK-LABEL: test_trunc160
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; CHECK: 8
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%d = getelementptr i8, i8* %ptr, i160 18446744073709551624 ; 2^64 + 8
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ret i8* %d
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}
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define i8* @test_trunc256(i8* %ptr) nounwind {
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; CHECK-LABEL: test_trunc256
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; CHECK: 13
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%d = getelementptr i8, i8* %ptr, i256 18446744073709551629 ; 2^64 + 13
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ret i8* %d
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}
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define i8* @test_trunc2048(i8* %ptr) nounwind {
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; CHECK-LABEL: test_trunc2048
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; CHECK: 21
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%d = getelementptr i8, i8* %ptr, i2048 18446744073709551637 ; 2^64 + 21
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ret i8* %d
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}
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; Test small index sext to pointer size
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define i8* @test_sext3(i8* %ptr) nounwind {
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; CHECK-LABEL: test_sext3
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; CHECK: -3
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%d = getelementptr i8, i8* %ptr, i3 -3
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ret i8* %d
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}
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define i8* @test_sext5(i8* %ptr) nounwind {
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; CHECK-LABEL: test_sext5
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; CHECK: -5
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%d = getelementptr i8, i8* %ptr, i5 -5
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ret i8* %d
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}
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define i8* @test_sext8(i8* %ptr) nounwind {
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; CHECK-LABEL: test_sext8
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; CHECK: -8
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%d = getelementptr i8, i8* %ptr, i8 -8
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ret i8* %d
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}
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define i8* @test_sext13(i8* %ptr) nounwind {
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; CHECK-LABEL: test_sext13
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; CHECK: -13
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%d = getelementptr i8, i8* %ptr, i8 -13
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ret i8* %d
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}
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define i8* @test_sext16(i8* %ptr) nounwind {
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; CHECK-LABEL: test_sext16
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; CHECK: -21
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%d = getelementptr i8, i8* %ptr, i8 -21
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ret i8* %d
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}
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; Test out of int64_t range indices
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; OSS-Fuzz: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=7173
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define void @test_outofrange(i96* %ptr) nounwind {
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; CHECK-LABEL: test_outofrange
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%d = getelementptr i96, i96* %ptr, i96 39614081257132168796771975167
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%ld = load i96, i96* %d, align 1
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unreachable
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}
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