derek.holloway
7502bf64a4
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32 lines
1.2 KiB
LLVM
32 lines
1.2 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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; RUN: opt -passes=reassociate %s -S -o - | FileCheck %s
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; Reassociate pass used to crash on these example
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@g = global i32 0
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define float @undef1() {
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; CHECK-LABEL: @undef1(
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; CHECK-NEXT: [[FACTOR1:%.*]] = fmul fast float -1.000000e+00, bitcast (i32 ptrtoint (ptr @g to i32) to float)
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; CHECK-NEXT: [[REASS_ADD:%.*]] = fadd fast float [[FACTOR1]], bitcast (i32 ptrtoint (ptr @g to i32) to float)
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; CHECK-NEXT: [[REASS_MUL:%.*]] = fmul fast float [[REASS_ADD]], 2.000000e+00
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; CHECK-NEXT: ret float [[REASS_MUL]]
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;
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%t0 = fadd fast float bitcast (i32 ptrtoint (ptr @g to i32) to float), bitcast (i32 ptrtoint (ptr @g to i32) to float)
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%t1 = fsub fast float bitcast (i32 ptrtoint (ptr @g to i32) to float), %t0
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%t2 = fadd fast float bitcast (i32 ptrtoint (ptr @g to i32) to float), %t1
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ret float %t2
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}
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define void @undef2() {
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; CHECK-LABEL: @undef2(
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; CHECK-NEXT: unreachable
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;
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%t0 = fadd fast float bitcast (i32 ptrtoint (ptr @g to i32) to float), bitcast (i32 ptrtoint (ptr @g to i32) to float)
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%t1 = fadd fast float %t0, 1.0
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%t2 = fsub fast float %t0, %t1
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%t3 = fmul fast float %t2, 2.0
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unreachable
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}
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