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