mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-12-15 20:29:48 +00:00
961d666be4
reciprocal if converting to the reciprocal is exact. Do it even if inexact if -ffast-math. This substantially speeds up ac.f90 from the polyhedron benchmarks. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@154265 91177308-0d34-0410-b5e6-96231b3b80d8
103 lines
3.6 KiB
LLVM
103 lines
3.6 KiB
LLVM
; RUN: llc < %s -mtriple=armv7-apple-ios | FileCheck %s
|
|
|
|
@in = global float 0x400921FA00000000, align 4
|
|
@iin = global i32 -1023, align 4
|
|
@uin = global i32 1023, align 4
|
|
|
|
declare void @foo_int32x4_t(<4 x i32>)
|
|
|
|
; Test signed conversion.
|
|
; CHECK: t1
|
|
; CHECK-NOT: {{vdiv|vmul}}
|
|
define void @t1() nounwind {
|
|
entry:
|
|
%tmp = load i32* @iin, align 4, !tbaa !3
|
|
%vecinit.i = insertelement <2 x i32> undef, i32 %tmp, i32 0
|
|
%vecinit2.i = insertelement <2 x i32> %vecinit.i, i32 %tmp, i32 1
|
|
%vcvt.i = sitofp <2 x i32> %vecinit2.i to <2 x float>
|
|
%div.i = fdiv <2 x float> %vcvt.i, <float 8.000000e+00, float 8.000000e+00>
|
|
tail call void @foo_float32x2_t(<2 x float> %div.i) nounwind
|
|
ret void
|
|
}
|
|
|
|
declare void @foo_float32x2_t(<2 x float>)
|
|
|
|
; Test unsigned conversion.
|
|
; CHECK: t2
|
|
; CHECK-NOT: {{vdiv|vmul}}
|
|
define void @t2() nounwind {
|
|
entry:
|
|
%tmp = load i32* @uin, align 4, !tbaa !3
|
|
%vecinit.i = insertelement <2 x i32> undef, i32 %tmp, i32 0
|
|
%vecinit2.i = insertelement <2 x i32> %vecinit.i, i32 %tmp, i32 1
|
|
%vcvt.i = uitofp <2 x i32> %vecinit2.i to <2 x float>
|
|
%div.i = fdiv <2 x float> %vcvt.i, <float 8.000000e+00, float 8.000000e+00>
|
|
tail call void @foo_float32x2_t(<2 x float> %div.i) nounwind
|
|
ret void
|
|
}
|
|
|
|
; Test which should not fold due to non-power of 2.
|
|
; CHECK: t3
|
|
; CHECK: {{vdiv|vmul}}
|
|
define void @t3() nounwind {
|
|
entry:
|
|
%tmp = load i32* @iin, align 4, !tbaa !3
|
|
%vecinit.i = insertelement <2 x i32> undef, i32 %tmp, i32 0
|
|
%vecinit2.i = insertelement <2 x i32> %vecinit.i, i32 %tmp, i32 1
|
|
%vcvt.i = sitofp <2 x i32> %vecinit2.i to <2 x float>
|
|
%div.i = fdiv <2 x float> %vcvt.i, <float 0x401B333340000000, float 0x401B333340000000>
|
|
tail call void @foo_float32x2_t(<2 x float> %div.i) nounwind
|
|
ret void
|
|
}
|
|
|
|
; Test which should not fold due to power of 2 out of range.
|
|
; CHECK: t4
|
|
; CHECK: {{vdiv|vmul}}
|
|
define void @t4() nounwind {
|
|
entry:
|
|
%tmp = load i32* @iin, align 4, !tbaa !3
|
|
%vecinit.i = insertelement <2 x i32> undef, i32 %tmp, i32 0
|
|
%vecinit2.i = insertelement <2 x i32> %vecinit.i, i32 %tmp, i32 1
|
|
%vcvt.i = sitofp <2 x i32> %vecinit2.i to <2 x float>
|
|
%div.i = fdiv <2 x float> %vcvt.i, <float 0x4200000000000000, float 0x4200000000000000>
|
|
tail call void @foo_float32x2_t(<2 x float> %div.i) nounwind
|
|
ret void
|
|
}
|
|
|
|
; Test case where const is max power of 2 (i.e., 2^32).
|
|
; CHECK: t5
|
|
; CHECK-NOT: {{vdiv|vmul}}
|
|
define void @t5() nounwind {
|
|
entry:
|
|
%tmp = load i32* @iin, align 4, !tbaa !3
|
|
%vecinit.i = insertelement <2 x i32> undef, i32 %tmp, i32 0
|
|
%vecinit2.i = insertelement <2 x i32> %vecinit.i, i32 %tmp, i32 1
|
|
%vcvt.i = sitofp <2 x i32> %vecinit2.i to <2 x float>
|
|
%div.i = fdiv <2 x float> %vcvt.i, <float 0x41F0000000000000, float 0x41F0000000000000>
|
|
tail call void @foo_float32x2_t(<2 x float> %div.i) nounwind
|
|
ret void
|
|
}
|
|
|
|
; Test quadword.
|
|
; CHECK: t6
|
|
; CHECK-NOT: {{vdiv|vmul}}
|
|
define void @t6() nounwind {
|
|
entry:
|
|
%tmp = load i32* @iin, align 4, !tbaa !3
|
|
%vecinit.i = insertelement <4 x i32> undef, i32 %tmp, i32 0
|
|
%vecinit2.i = insertelement <4 x i32> %vecinit.i, i32 %tmp, i32 1
|
|
%vecinit4.i = insertelement <4 x i32> %vecinit2.i, i32 %tmp, i32 2
|
|
%vecinit6.i = insertelement <4 x i32> %vecinit4.i, i32 %tmp, i32 3
|
|
%vcvt.i = sitofp <4 x i32> %vecinit6.i to <4 x float>
|
|
%div.i = fdiv <4 x float> %vcvt.i, <float 8.000000e+00, float 8.000000e+00, float 8.000000e+00, float 8.000000e+00>
|
|
tail call void @foo_float32x4_t(<4 x float> %div.i) nounwind
|
|
ret void
|
|
}
|
|
|
|
declare void @foo_float32x4_t(<4 x float>)
|
|
|
|
!0 = metadata !{metadata !"float", metadata !1}
|
|
!1 = metadata !{metadata !"omnipotent char", metadata !2}
|
|
!2 = metadata !{metadata !"Simple C/C++ TBAA", null}
|
|
!3 = metadata !{metadata !"int", metadata !1}
|