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70992ac969
CodeGen incorrectly ignores (assert from APInt) constant index bigger than 2^64 in getelementptr instruction. This is a test and fix for that. Patch by Paweł Bylica! Reviewed By: rnk Subscribers: majnemer, rnk, mcrosier, resistor, llvm-commits Differential Revision: http://reviews.llvm.org/D8219 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@231984 91177308-0d34-0410-b5e6-96231b3b80d8
81 lines
1.8 KiB
LLVM
81 lines
1.8 KiB
LLVM
; RUN: llc < %s -O0 -march=x86
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; RUN: llc < %s -O0 -march=x86-64
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; RUN: llc < %s -O2 -march=x86
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; RUN: llc < %s -O2 -march=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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