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