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llvm-mirror/test/Transforms/LowerMatrixIntrinsics/multiply-double-contraction-fmf.ll
Florian Hahn ad8abe7ef4 [Matrix] Use fmuladd for matrix.multiply if allowed. 
If the matrix.multiply calls have the contract fast math flag, we can
use fmuladd. This als adds a command line option to force fmuladd
generation. We can retire this option once there is a clang-level
option.

Reviewers: anemet, Gerolf, hfinkel, andrew.w.kaylor

Reviewed By: anemet

Differential Revision: https://reviews.llvm.org/D70951
2019-12-23 14:49:14 +01:00

70 lines
6.4 KiB
LLVM
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; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt -lower-matrix-intrinsics -S < %s | FileCheck %s
; RUN: opt -passes='lower-matrix-intrinsics' -S < %s | FileCheck %s
define <4 x double> @multiply_2x2(<4 x double> %a, <4 x double> %b) {
; CHECK-LABEL: @multiply_2x2(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[SPLIT:%.*]] = shufflevector <4 x double> [[A:%.*]], <4 x double> undef, <2 x i32> <i32 0, i32 1>
; CHECK-NEXT: [[SPLIT1:%.*]] = shufflevector <4 x double> [[A]], <4 x double> undef, <2 x i32> <i32 2, i32 3>
; CHECK-NEXT: [[SPLIT2:%.*]] = shufflevector <4 x double> [[B:%.*]], <4 x double> undef, <2 x i32> <i32 0, i32 1>
; CHECK-NEXT: [[SPLIT3:%.*]] = shufflevector <4 x double> [[B]], <4 x double> undef, <2 x i32> <i32 2, i32 3>
; CHECK-NEXT: [[BLOCK:%.*]] = shufflevector <2 x double> [[SPLIT]], <2 x double> undef, <1 x i32> zeroinitializer
; CHECK-NEXT: [[TMP0:%.*]] = extractelement <2 x double> [[SPLIT2]], i64 0
; CHECK-NEXT: [[SPLAT_SPLATINSERT:%.*]] = insertelement <1 x double> undef, double [[TMP0]], i32 0
; CHECK-NEXT: [[SPLAT_SPLAT:%.*]] = shufflevector <1 x double> [[SPLAT_SPLATINSERT]], <1 x double> undef, <1 x i32> zeroinitializer
; CHECK-NEXT: [[TMP1:%.*]] = fmul <1 x double> [[BLOCK]], [[SPLAT_SPLAT]]
; CHECK-NEXT: [[BLOCK4:%.*]] = shufflevector <2 x double> [[SPLIT1]], <2 x double> undef, <1 x i32> zeroinitializer
; CHECK-NEXT: [[TMP2:%.*]] = extractelement <2 x double> [[SPLIT2]], i64 1
; CHECK-NEXT: [[SPLAT_SPLATINSERT5:%.*]] = insertelement <1 x double> undef, double [[TMP2]], i32 0
; CHECK-NEXT: [[SPLAT_SPLAT6:%.*]] = shufflevector <1 x double> [[SPLAT_SPLATINSERT5]], <1 x double> undef, <1 x i32> zeroinitializer
; CHECK-NEXT: [[TMP3:%.*]] = call <1 x double> @llvm.fmuladd.v1f64(<1 x double> [[BLOCK4]], <1 x double> [[SPLAT_SPLAT6]], <1 x double> [[TMP1]])
; CHECK-NEXT: [[TMP4:%.*]] = shufflevector <1 x double> [[TMP3]], <1 x double> undef, <2 x i32> <i32 0, i32 undef>
; CHECK-NEXT: [[TMP5:%.*]] = shufflevector <2 x double> undef, <2 x double> [[TMP4]], <2 x i32> <i32 2, i32 1>
; CHECK-NEXT: [[BLOCK7:%.*]] = shufflevector <2 x double> [[SPLIT]], <2 x double> undef, <1 x i32> <i32 1>
; CHECK-NEXT: [[TMP6:%.*]] = extractelement <2 x double> [[SPLIT2]], i64 0
; CHECK-NEXT: [[SPLAT_SPLATINSERT8:%.*]] = insertelement <1 x double> undef, double [[TMP6]], i32 0
; CHECK-NEXT: [[SPLAT_SPLAT9:%.*]] = shufflevector <1 x double> [[SPLAT_SPLATINSERT8]], <1 x double> undef, <1 x i32> zeroinitializer
; CHECK-NEXT: [[TMP7:%.*]] = fmul <1 x double> [[BLOCK7]], [[SPLAT_SPLAT9]]
; CHECK-NEXT: [[BLOCK10:%.*]] = shufflevector <2 x double> [[SPLIT1]], <2 x double> undef, <1 x i32> <i32 1>
; CHECK-NEXT: [[TMP8:%.*]] = extractelement <2 x double> [[SPLIT2]], i64 1
; CHECK-NEXT: [[SPLAT_SPLATINSERT11:%.*]] = insertelement <1 x double> undef, double [[TMP8]], i32 0
; CHECK-NEXT: [[SPLAT_SPLAT12:%.*]] = shufflevector <1 x double> [[SPLAT_SPLATINSERT11]], <1 x double> undef, <1 x i32> zeroinitializer
; CHECK-NEXT: [[TMP9:%.*]] = call <1 x double> @llvm.fmuladd.v1f64(<1 x double> [[BLOCK10]], <1 x double> [[SPLAT_SPLAT12]], <1 x double> [[TMP7]])
; CHECK-NEXT: [[TMP10:%.*]] = shufflevector <1 x double> [[TMP9]], <1 x double> undef, <2 x i32> <i32 0, i32 undef>
; CHECK-NEXT: [[TMP11:%.*]] = shufflevector <2 x double> [[TMP5]], <2 x double> [[TMP10]], <2 x i32> <i32 0, i32 2>
; CHECK-NEXT: [[BLOCK13:%.*]] = shufflevector <2 x double> [[SPLIT]], <2 x double> undef, <1 x i32> zeroinitializer
; CHECK-NEXT: [[TMP12:%.*]] = extractelement <2 x double> [[SPLIT3]], i64 0
; CHECK-NEXT: [[SPLAT_SPLATINSERT14:%.*]] = insertelement <1 x double> undef, double [[TMP12]], i32 0
; CHECK-NEXT: [[SPLAT_SPLAT15:%.*]] = shufflevector <1 x double> [[SPLAT_SPLATINSERT14]], <1 x double> undef, <1 x i32> zeroinitializer
; CHECK-NEXT: [[TMP13:%.*]] = fmul <1 x double> [[BLOCK13]], [[SPLAT_SPLAT15]]
; CHECK-NEXT: [[BLOCK16:%.*]] = shufflevector <2 x double> [[SPLIT1]], <2 x double> undef, <1 x i32> zeroinitializer
; CHECK-NEXT: [[TMP14:%.*]] = extractelement <2 x double> [[SPLIT3]], i64 1
; CHECK-NEXT: [[SPLAT_SPLATINSERT17:%.*]] = insertelement <1 x double> undef, double [[TMP14]], i32 0
; CHECK-NEXT: [[SPLAT_SPLAT18:%.*]] = shufflevector <1 x double> [[SPLAT_SPLATINSERT17]], <1 x double> undef, <1 x i32> zeroinitializer
; CHECK-NEXT: [[TMP15:%.*]] = call <1 x double> @llvm.fmuladd.v1f64(<1 x double> [[BLOCK16]], <1 x double> [[SPLAT_SPLAT18]], <1 x double> [[TMP13]])
; CHECK-NEXT: [[TMP16:%.*]] = shufflevector <1 x double> [[TMP15]], <1 x double> undef, <2 x i32> <i32 0, i32 undef>
; CHECK-NEXT: [[TMP17:%.*]] = shufflevector <2 x double> undef, <2 x double> [[TMP16]], <2 x i32> <i32 2, i32 1>
; CHECK-NEXT: [[BLOCK19:%.*]] = shufflevector <2 x double> [[SPLIT]], <2 x double> undef, <1 x i32> <i32 1>
; CHECK-NEXT: [[TMP18:%.*]] = extractelement <2 x double> [[SPLIT3]], i64 0
; CHECK-NEXT: [[SPLAT_SPLATINSERT20:%.*]] = insertelement <1 x double> undef, double [[TMP18]], i32 0
; CHECK-NEXT: [[SPLAT_SPLAT21:%.*]] = shufflevector <1 x double> [[SPLAT_SPLATINSERT20]], <1 x double> undef, <1 x i32> zeroinitializer
; CHECK-NEXT: [[TMP19:%.*]] = fmul <1 x double> [[BLOCK19]], [[SPLAT_SPLAT21]]
; CHECK-NEXT: [[BLOCK22:%.*]] = shufflevector <2 x double> [[SPLIT1]], <2 x double> undef, <1 x i32> <i32 1>
; CHECK-NEXT: [[TMP20:%.*]] = extractelement <2 x double> [[SPLIT3]], i64 1
; CHECK-NEXT: [[SPLAT_SPLATINSERT23:%.*]] = insertelement <1 x double> undef, double [[TMP20]], i32 0
; CHECK-NEXT: [[SPLAT_SPLAT24:%.*]] = shufflevector <1 x double> [[SPLAT_SPLATINSERT23]], <1 x double> undef, <1 x i32> zeroinitializer
; CHECK-NEXT: [[TMP21:%.*]] = call <1 x double> @llvm.fmuladd.v1f64(<1 x double> [[BLOCK22]], <1 x double> [[SPLAT_SPLAT24]], <1 x double> [[TMP19]])
; CHECK-NEXT: [[TMP22:%.*]] = shufflevector <1 x double> [[TMP21]], <1 x double> undef, <2 x i32> <i32 0, i32 undef>
; CHECK-NEXT: [[TMP23:%.*]] = shufflevector <2 x double> [[TMP17]], <2 x double> [[TMP22]], <2 x i32> <i32 0, i32 2>
; CHECK-NEXT: [[TMP24:%.*]] = shufflevector <2 x double> [[TMP11]], <2 x double> [[TMP23]], <4 x i32> <i32 0, i32 1, i32 2, i32 3>
; CHECK-NEXT: ret <4 x double> [[TMP24]]
;
entry:
%c = call contract <4 x double> @llvm.matrix.multiply.v4f64.v4f64.v4f64(<4 x double> %a, <4 x double> %b, i32 2, i32 2, i32 2)
ret <4 x double> %c
}
declare <4 x double> @llvm.matrix.multiply.v4f64.v4f64.v4f64(<4 x double>, <4 x double>, i32, i32, i32)
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