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150
|
1 ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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252
|
2 ; RUN: opt -passes=reassociate %s -S -o - | FileCheck %s
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|
150
|
3
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|
|
4 ; Reassociate pass used to crash on these example
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5
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|
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6 @g = global i32 0
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7
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8 define float @undef1() {
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9 ; CHECK-LABEL: @undef1(
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252
|
10 ; CHECK-NEXT: [[FACTOR1:%.*]] = fmul fast float -1.000000e+00, bitcast (i32 ptrtoint (ptr @g to i32) to float)
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11 ; CHECK-NEXT: [[REASS_ADD:%.*]] = fadd fast float [[FACTOR1]], bitcast (i32 ptrtoint (ptr @g to i32) to float)
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|
236
|
12 ; CHECK-NEXT: [[REASS_MUL:%.*]] = fmul fast float [[REASS_ADD]], 2.000000e+00
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13 ; CHECK-NEXT: ret float [[REASS_MUL]]
|
|
150
|
14 ;
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|
252
|
15 %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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|
|
16 %t1 = fsub fast float bitcast (i32 ptrtoint (ptr @g to i32) to float), %t0
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17 %t2 = fadd fast float bitcast (i32 ptrtoint (ptr @g to i32) to float), %t1
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|
150
|
18 ret float %t2
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|
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19 }
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20
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|
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21 define void @undef2() {
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22 ; CHECK-LABEL: @undef2(
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23 ; CHECK-NEXT: unreachable
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|
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24 ;
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|
252
|
25 %t0 = fadd fast float bitcast (i32 ptrtoint (ptr @g to i32) to float), bitcast (i32 ptrtoint (ptr @g to i32) to float)
|
|
150
|
26 %t1 = fadd fast float %t0, 1.0
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|
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27 %t2 = fsub fast float %t0, %t1
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28 %t3 = fmul fast float %t2, 2.0
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29 unreachable
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|
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30 }
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31
|
