llvm-6502/test/Transforms/Reassociate/fast-mightymul.ll
Chad Rosier 3b41039163 [Reassociation] Add support for reassociation with unsafe algebra.
Vector instructions are (still) not supported for either integer or floating
point.  Hopefully, that work will be landed shortly.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@215647 91177308-0d34-0410-b5e6-96231b3b80d8
2014-08-14 15:23:01 +00:00

36 lines
1.1 KiB
LLVM

; RUN: opt < %s -reassociate -disable-output
; PR13021
define float @test2(float %x) {
%t0 = fmul fast float %x, %x
%t1 = fmul fast float %t0, %t0
%t2 = fmul fast float %t1, %t1
%t3 = fmul fast float %t2, %t2
%t4 = fmul fast float %t3, %t3
%t5 = fmul fast float %t4, %t4
%t6 = fmul fast float %t5, %t5
%t7 = fmul fast float %t6, %t6
%t8 = fmul fast float %t7, %t7
%t9 = fmul fast float %t8, %t8
%t10 = fmul fast float %t9, %t9
%t11 = fmul fast float %t10, %t10
%t12 = fmul fast float %t11, %t11
%t13 = fmul fast float %t12, %t12
%t14 = fmul fast float %t13, %t13
%t15 = fmul fast float %t14, %t14
%t16 = fmul fast float %t15, %t15
%t17 = fmul fast float %t16, %t16
%t18 = fmul fast float %t17, %t17
%t19 = fmul fast float %t18, %t18
%t20 = fmul fast float %t19, %t19
%t21 = fmul fast float %t20, %t20
%t22 = fmul fast float %t21, %t21
%t23 = fmul fast float %t22, %t22
%t24 = fmul fast float %t23, %t23
%t25 = fmul fast float %t24, %t24
%t26 = fmul fast float %t25, %t25
%t27 = fmul fast float %t26, %t26
%t28 = fmul fast float %t27, %t27
ret float %t28
}