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