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878c6281d3
The architecture doesn't really have any native v4f32 operations except v4f32->v2f64 and v2f64->v4f32 conversions, with only half of the v4f32 elements being used. Even so, using vector registers for <4 x float> and scalarising individual operations is much better than generating completely scalar code, since there's much less register pressure. It's also more efficient to do v4f32 comparisons by extending to 2 v2f64s, comparing those, then packing the result. This particularly helps with llvmpipe. Based on a patch by Richard Sandiford. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@236523 91177308-0d34-0410-b5e6-96231b3b80d8
190 lines
6.0 KiB
LLVM
190 lines
6.0 KiB
LLVM
; Test vector replicates, v4f32 version.
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;
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; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z13 | FileCheck %s
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; Test a byte-granularity replicate with the lowest useful value.
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define <4 x float> @f1() {
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; CHECK-LABEL: f1:
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; CHECK: vrepib %v24, 1
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; CHECK: br %r14
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ret <4 x float> <float 0x3820202020000000, float 0x3820202020000000,
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float 0x3820202020000000, float 0x3820202020000000>
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}
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; Test a byte-granularity replicate with an arbitrary value.
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define <4 x float> @f2() {
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; CHECK-LABEL: f2:
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; CHECK: vrepib %v24, -55
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; CHECK: br %r14
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ret <4 x float> <float 0xc139393920000000, float 0xc139393920000000,
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float 0xc139393920000000, float 0xc139393920000000>
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}
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; Test a byte-granularity replicate with the highest useful value.
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define <4 x float> @f3() {
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; CHECK-LABEL: f3:
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; CHECK: vrepib %v24, -2
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; CHECK: br %r14
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ret <4 x float> <float 0xc7dfdfdfc0000000, float 0xc7dfdfdfc0000000,
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float 0xc7dfdfdfc0000000, float 0xc7dfdfdfc0000000>
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}
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; Test a halfword-granularity replicate with the lowest useful value.
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define <4 x float> @f4() {
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; CHECK-LABEL: f4:
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; CHECK: vrepih %v24, 1
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; CHECK: br %r14
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ret <4 x float> <float 0x37a0001000000000, float 0x37a0001000000000,
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float 0x37a0001000000000, float 0x37a0001000000000>
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}
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; Test a halfword-granularity replicate with an arbitrary value.
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define <4 x float> @f5() {
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; CHECK-LABEL: f5:
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; CHECK: vrepih %v24, 25650
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; CHECK: br %r14
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ret <4 x float> <float 0x44864c8640000000, float 0x44864c8640000000,
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float 0x44864c8640000000, float 0x44864c8640000000>
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}
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; Test a halfword-granularity replicate with the highest useful value.
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define <4 x float> @f6() {
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; CHECK-LABEL: f6:
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; CHECK: vrepih %v24, -2
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; CHECK: br %r14
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ret <4 x float> <float 0xffffdfffc0000000, float 0xffffdfffc0000000,
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float 0xffffdfffc0000000, float 0xffffdfffc0000000>
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}
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; Test a word-granularity replicate with the lowest useful positive value.
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define <4 x float> @f7() {
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; CHECK-LABEL: f7:
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; CHECK: vrepif %v24, 1
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; CHECK: br %r14
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ret <4 x float> <float 0x36a0000000000000, float 0x36a0000000000000,
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float 0x36a0000000000000, float 0x36a0000000000000>
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}
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; Test a word-granularity replicate with the highest in-range value.
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define <4 x float> @f8() {
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; CHECK-LABEL: f8:
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; CHECK: vrepif %v24, 32767
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; CHECK: br %r14
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ret <4 x float> <float 0x378fffc000000000, float 0x378fffc000000000,
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float 0x378fffc000000000, float 0x378fffc000000000>
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}
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; Test a word-granularity replicate with the next highest value.
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; This cannot use VREPIF.
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define <4 x float> @f9() {
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; CHECK-LABEL: f9:
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; CHECK-NOT: vrepif
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; CHECK: br %r14
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ret <4 x float> <float 0x3790000000000000, float 0x3790000000000000,
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float 0x3790000000000000, float 0x3790000000000000>
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}
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; Test a word-granularity replicate with the lowest in-range value.
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define <4 x float> @f10() {
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; CHECK-LABEL: f10:
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; CHECK: vrepif %v24, -32768
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; CHECK: br %r14
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ret <4 x float> <float 0xfffff00000000000, float 0xfffff00000000000,
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float 0xfffff00000000000, float 0xfffff00000000000>
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}
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; Test a word-granularity replicate with the next lowest value.
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; This cannot use VREPIF.
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define <4 x float> @f11() {
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; CHECK-LABEL: f11:
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; CHECK-NOT: vrepif
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; CHECK: br %r14
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ret <4 x float> <float 0xffffefffe0000000, float 0xffffefffe0000000,
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float 0xffffefffe0000000, float 0xffffefffe0000000>
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}
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; Test a word-granularity replicate with the highest useful negative value.
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define <4 x float> @f12() {
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; CHECK-LABEL: f12:
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; CHECK: vrepif %v24, -2
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; CHECK: br %r14
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ret <4 x float> <float 0xffffffffc0000000, float 0xffffffffc0000000,
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float 0xffffffffc0000000, float 0xffffffffc0000000>
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}
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; Test a doubleword-granularity replicate with the lowest useful positive
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; value.
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define <4 x float> @f13() {
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; CHECK-LABEL: f13:
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; CHECK: vrepig %v24, 1
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; CHECK: br %r14
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ret <4 x float> <float 0.0, float 0x36a0000000000000,
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float 0.0, float 0x36a0000000000000>
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}
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; Test a doubleword-granularity replicate with the highest in-range value.
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define <4 x float> @f14() {
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; CHECK-LABEL: f14:
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; CHECK: vrepig %v24, 32767
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; CHECK: br %r14
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ret <4 x float> <float 0.0, float 0x378fffc000000000,
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float 0.0, float 0x378fffc000000000>
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}
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; Test a doubleword-granularity replicate with the next highest value.
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; This cannot use VREPIG.
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define <4 x float> @f15() {
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; CHECK-LABEL: f15:
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; CHECK-NOT: vrepig
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; CHECK: br %r14
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ret <4 x float> <float 0.0, float 0x3790000000000000,
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float 0.0, float 0x3790000000000000>
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}
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; Test a doubleword-granularity replicate with the lowest in-range value.
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define <4 x float> @f16() {
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; CHECK-LABEL: f16:
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; CHECK: vrepig %v24, -32768
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; CHECK: br %r14
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ret <4 x float> <float 0xffffffffe0000000, float 0xfffff00000000000,
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float 0xffffffffe0000000, float 0xfffff00000000000>
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}
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; Test a doubleword-granularity replicate with the next lowest value.
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; This cannot use VREPIG.
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define <4 x float> @f17() {
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; CHECK-LABEL: f17:
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; CHECK-NOT: vrepig
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; CHECK: br %r14
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ret <4 x float> <float 0xffffffffe0000000, float 0xffffefffe0000000,
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float 0xffffffffe0000000, float 0xffffefffe0000000>
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}
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; Test a doubleword-granularity replicate with the highest useful negative
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; value.
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define <4 x float> @f18() {
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; CHECK-LABEL: f18:
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; CHECK: vrepig %v24, -2
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; CHECK: br %r14
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ret <4 x float> <float 0xffffffffe0000000, float 0xffffffffc0000000,
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float 0xffffffffe0000000, float 0xffffffffc0000000>
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}
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; Repeat f14 with undefs optimistically treated as 0, 32767.
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define <4 x float> @f19() {
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; CHECK-LABEL: f19:
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; CHECK: vrepig %v24, 32767
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; CHECK: br %r14
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ret <4 x float> <float undef, float undef,
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float 0.0, float 0x378fffc000000000>
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}
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; Repeat f18 with undefs optimistically treated as -2, -1.
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define <4 x float> @f20() {
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; CHECK-LABEL: f20:
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; CHECK: vrepig %v24, -2
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; CHECK: br %r14
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ret <4 x float> <float 0xffffffffe0000000, float undef,
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float undef, float 0xffffffffc0000000>
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}
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