propagate-backwards-unsupported.ll
10.8 KB
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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
; Check that we we use flattened vectors for PHI operands and extract the columns afterwards.
define <9 x double> @unsupported_phi(i1 %cond, <9 x double> %A, <9 x double> %B, <9 x double> %C) {
; CHECK-LABEL: @unsupported_phi(
; CHECK-NEXT: entry:
; CHECK-NEXT: br i1 [[COND:%.*]], label [[IF_THEN:%.*]], label [[IF_ELSE:%.*]]
; CHECK-LABEL: if.then:
; CHECK-NEXT: [[SPLIT3:%.*]] = shufflevector <9 x double> [[A:%.*]], <9 x double> undef, <3 x i32> <i32 0, i32 1, i32 2>
; CHECK-NEXT: [[SPLIT4:%.*]] = shufflevector <9 x double> [[A]], <9 x double> undef, <3 x i32> <i32 3, i32 4, i32 5>
; CHECK-NEXT: [[SPLIT5:%.*]] = shufflevector <9 x double> [[A]], <9 x double> undef, <3 x i32> <i32 6, i32 7, i32 8>
; CHECK-NEXT: [[TMP0:%.*]] = extractelement <3 x double> [[SPLIT3]], i64 0
; CHECK-NEXT: [[TMP1:%.*]] = insertelement <3 x double> undef, double [[TMP0]], i64 0
; CHECK-NEXT: [[TMP2:%.*]] = extractelement <3 x double> [[SPLIT4]], i64 0
; CHECK-NEXT: [[TMP3:%.*]] = insertelement <3 x double> [[TMP1]], double [[TMP2]], i64 1
; CHECK-NEXT: [[TMP4:%.*]] = extractelement <3 x double> [[SPLIT5]], i64 0
; CHECK-NEXT: [[TMP5:%.*]] = insertelement <3 x double> [[TMP3]], double [[TMP4]], i64 2
; CHECK-NEXT: [[TMP6:%.*]] = extractelement <3 x double> [[SPLIT3]], i64 1
; CHECK-NEXT: [[TMP7:%.*]] = insertelement <3 x double> undef, double [[TMP6]], i64 0
; CHECK-NEXT: [[TMP8:%.*]] = extractelement <3 x double> [[SPLIT4]], i64 1
; CHECK-NEXT: [[TMP9:%.*]] = insertelement <3 x double> [[TMP7]], double [[TMP8]], i64 1
; CHECK-NEXT: [[TMP10:%.*]] = extractelement <3 x double> [[SPLIT5]], i64 1
; CHECK-NEXT: [[TMP11:%.*]] = insertelement <3 x double> [[TMP9]], double [[TMP10]], i64 2
; CHECK-NEXT: [[TMP12:%.*]] = extractelement <3 x double> [[SPLIT3]], i64 2
; CHECK-NEXT: [[TMP13:%.*]] = insertelement <3 x double> undef, double [[TMP12]], i64 0
; CHECK-NEXT: [[TMP14:%.*]] = extractelement <3 x double> [[SPLIT4]], i64 2
; CHECK-NEXT: [[TMP15:%.*]] = insertelement <3 x double> [[TMP13]], double [[TMP14]], i64 1
; CHECK-NEXT: [[TMP16:%.*]] = extractelement <3 x double> [[SPLIT5]], i64 2
; CHECK-NEXT: [[TMP17:%.*]] = insertelement <3 x double> [[TMP15]], double [[TMP16]], i64 2
; CHECK-NEXT: [[TMP18:%.*]] = shufflevector <3 x double> [[TMP5]], <3 x double> [[TMP11]], <6 x i32> <i32 0, i32 1, i32 2, i32 3, i32 4, i32 5>
; CHECK-NEXT: [[TMP19:%.*]] = shufflevector <3 x double> [[TMP17]], <3 x double> undef, <6 x i32> <i32 0, i32 1, i32 2, i32 undef, i32 undef, i32 undef>
; CHECK-NEXT: [[TMP20:%.*]] = shufflevector <6 x double> [[TMP18]], <6 x double> [[TMP19]], <9 x i32> <i32 0, i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7, i32 8>
; CHECK-NEXT: br label [[IF_END:%.*]]
; CHECK-LABEL: if.else:
; CHECK-NEXT: [[SPLIT:%.*]] = shufflevector <9 x double> [[B:%.*]], <9 x double> undef, <3 x i32> <i32 0, i32 1, i32 2>
; CHECK-NEXT: [[SPLIT1:%.*]] = shufflevector <9 x double> [[B]], <9 x double> undef, <3 x i32> <i32 3, i32 4, i32 5>
; CHECK-NEXT: [[SPLIT2:%.*]] = shufflevector <9 x double> [[B]], <9 x double> undef, <3 x i32> <i32 6, i32 7, i32 8>
; CHECK-NEXT: [[TMP21:%.*]] = extractelement <3 x double> [[SPLIT]], i64 0
; CHECK-NEXT: [[TMP22:%.*]] = insertelement <3 x double> undef, double [[TMP21]], i64 0
; CHECK-NEXT: [[TMP23:%.*]] = extractelement <3 x double> [[SPLIT1]], i64 0
; CHECK-NEXT: [[TMP24:%.*]] = insertelement <3 x double> [[TMP22]], double [[TMP23]], i64 1
; CHECK-NEXT: [[TMP25:%.*]] = extractelement <3 x double> [[SPLIT2]], i64 0
; CHECK-NEXT: [[TMP26:%.*]] = insertelement <3 x double> [[TMP24]], double [[TMP25]], i64 2
; CHECK-NEXT: [[TMP27:%.*]] = extractelement <3 x double> [[SPLIT]], i64 1
; CHECK-NEXT: [[TMP28:%.*]] = insertelement <3 x double> undef, double [[TMP27]], i64 0
; CHECK-NEXT: [[TMP29:%.*]] = extractelement <3 x double> [[SPLIT1]], i64 1
; CHECK-NEXT: [[TMP30:%.*]] = insertelement <3 x double> [[TMP28]], double [[TMP29]], i64 1
; CHECK-NEXT: [[TMP31:%.*]] = extractelement <3 x double> [[SPLIT2]], i64 1
; CHECK-NEXT: [[TMP32:%.*]] = insertelement <3 x double> [[TMP30]], double [[TMP31]], i64 2
; CHECK-NEXT: [[TMP33:%.*]] = extractelement <3 x double> [[SPLIT]], i64 2
; CHECK-NEXT: [[TMP34:%.*]] = insertelement <3 x double> undef, double [[TMP33]], i64 0
; CHECK-NEXT: [[TMP35:%.*]] = extractelement <3 x double> [[SPLIT1]], i64 2
; CHECK-NEXT: [[TMP36:%.*]] = insertelement <3 x double> [[TMP34]], double [[TMP35]], i64 1
; CHECK-NEXT: [[TMP37:%.*]] = extractelement <3 x double> [[SPLIT2]], i64 2
; CHECK-NEXT: [[TMP38:%.*]] = insertelement <3 x double> [[TMP36]], double [[TMP37]], i64 2
; CHECK-NEXT: [[TMP39:%.*]] = shufflevector <3 x double> [[TMP26]], <3 x double> [[TMP32]], <6 x i32> <i32 0, i32 1, i32 2, i32 3, i32 4, i32 5>
; CHECK-NEXT: [[TMP40:%.*]] = shufflevector <3 x double> [[TMP38]], <3 x double> undef, <6 x i32> <i32 0, i32 1, i32 2, i32 undef, i32 undef, i32 undef>
; CHECK-NEXT: [[TMP41:%.*]] = shufflevector <6 x double> [[TMP39]], <6 x double> [[TMP40]], <9 x i32> <i32 0, i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7, i32 8>
; CHECK-NEXT: br label [[IF_END]]
; CHECK-LABEL: if.end:
; CHECK-NEXT: [[MERGE:%.*]] = phi <9 x double> [ [[TMP20]], [[IF_THEN]] ], [ [[TMP41]], [[IF_ELSE]] ]
; CHECK-NEXT: [[SPLIT6:%.*]] = shufflevector <9 x double> [[C:%.*]], <9 x double> undef, <3 x i32> <i32 0, i32 1, i32 2>
; CHECK-NEXT: [[SPLIT7:%.*]] = shufflevector <9 x double> [[C]], <9 x double> undef, <3 x i32> <i32 3, i32 4, i32 5>
; CHECK-NEXT: [[SPLIT8:%.*]] = shufflevector <9 x double> [[C]], <9 x double> undef, <3 x i32> <i32 6, i32 7, i32 8>
; CHECK-NEXT: [[SPLIT9:%.*]] = shufflevector <9 x double> [[MERGE]], <9 x double> undef, <3 x i32> <i32 0, i32 1, i32 2>
; CHECK-NEXT: [[SPLIT10:%.*]] = shufflevector <9 x double> [[MERGE]], <9 x double> undef, <3 x i32> <i32 3, i32 4, i32 5>
; CHECK-NEXT: [[SPLIT11:%.*]] = shufflevector <9 x double> [[MERGE]], <9 x double> undef, <3 x i32> <i32 6, i32 7, i32 8>
; CHECK-NEXT: [[BLOCK:%.*]] = shufflevector <3 x double> [[SPLIT6]], <3 x double> undef, <1 x i32> zeroinitializer
;
entry:
br i1 %cond, label %if.then, label %if.else
if.then: ; preds = %entry
%A.trans = tail call <9 x double> @llvm.matrix.transpose.v9f64(<9 x double> %A, i32 3, i32 3)
br label %if.end
if.else: ; preds = %entry
%B.trans = tail call <9 x double> @llvm.matrix.transpose.v9f64(<9 x double> %B, i32 3, i32 3)
br label %if.end
if.end: ; preds = %if.then, %if.else
%merge = phi <9 x double> [ %A.trans, %if.then], [ %B.trans, %if.else ]
%res = tail call <9 x double> @llvm.matrix.multiply.v9f64.v9f64.v9f64(<9 x double> %C, <9 x double> %merge, i32 3, i32 3, i32 3)
ret <9 x double> %res
}
; Make sure we use a flattened vector when calling @foo and the use its flat vector result properly.
define <9 x double> @unsupported_call(i1 %cond, <9 x double> %A, <9 x double> %B) {
; CHECK-LABEL: @unsupported_call(
; CHECK-NEXT: [[SPLIT:%.*]] = shufflevector <9 x double> [[A:%.*]], <9 x double> undef, <3 x i32> <i32 0, i32 1, i32 2>
; CHECK-NEXT: [[SPLIT1:%.*]] = shufflevector <9 x double> [[A]], <9 x double> undef, <3 x i32> <i32 3, i32 4, i32 5>
; CHECK-NEXT: [[SPLIT2:%.*]] = shufflevector <9 x double> [[A]], <9 x double> undef, <3 x i32> <i32 6, i32 7, i32 8>
; CHECK-NEXT: [[TMP1:%.*]] = extractelement <3 x double> [[SPLIT]], i64 0
; CHECK-NEXT: [[TMP2:%.*]] = insertelement <3 x double> undef, double [[TMP1]], i64 0
; CHECK-NEXT: [[TMP3:%.*]] = extractelement <3 x double> [[SPLIT1]], i64 0
; CHECK-NEXT: [[TMP4:%.*]] = insertelement <3 x double> [[TMP2]], double [[TMP3]], i64 1
; CHECK-NEXT: [[TMP5:%.*]] = extractelement <3 x double> [[SPLIT2]], i64 0
; CHECK-NEXT: [[TMP6:%.*]] = insertelement <3 x double> [[TMP4]], double [[TMP5]], i64 2
; CHECK-NEXT: [[TMP7:%.*]] = extractelement <3 x double> [[SPLIT]], i64 1
; CHECK-NEXT: [[TMP8:%.*]] = insertelement <3 x double> undef, double [[TMP7]], i64 0
; CHECK-NEXT: [[TMP9:%.*]] = extractelement <3 x double> [[SPLIT1]], i64 1
; CHECK-NEXT: [[TMP10:%.*]] = insertelement <3 x double> [[TMP8]], double [[TMP9]], i64 1
; CHECK-NEXT: [[TMP11:%.*]] = extractelement <3 x double> [[SPLIT2]], i64 1
; CHECK-NEXT: [[TMP12:%.*]] = insertelement <3 x double> [[TMP10]], double [[TMP11]], i64 2
; CHECK-NEXT: [[TMP13:%.*]] = extractelement <3 x double> [[SPLIT]], i64 2
; CHECK-NEXT: [[TMP14:%.*]] = insertelement <3 x double> undef, double [[TMP13]], i64 0
; CHECK-NEXT: [[TMP15:%.*]] = extractelement <3 x double> [[SPLIT1]], i64 2
; CHECK-NEXT: [[TMP16:%.*]] = insertelement <3 x double> [[TMP14]], double [[TMP15]], i64 1
; CHECK-NEXT: [[TMP17:%.*]] = extractelement <3 x double> [[SPLIT2]], i64 2
; CHECK-NEXT: [[TMP18:%.*]] = insertelement <3 x double> [[TMP16]], double [[TMP17]], i64 2
; CHECK-NEXT: [[TMP19:%.*]] = shufflevector <3 x double> [[TMP6]], <3 x double> [[TMP12]], <6 x i32> <i32 0, i32 1, i32 2, i32 3, i32 4, i32 5>
; CHECK-NEXT: [[TMP20:%.*]] = shufflevector <3 x double> [[TMP18]], <3 x double> undef, <6 x i32> <i32 0, i32 1, i32 2, i32 undef, i32 undef, i32 undef>
; CHECK-NEXT: [[TMP21:%.*]] = shufflevector <6 x double> [[TMP19]], <6 x double> [[TMP20]], <9 x i32> <i32 0, i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7, i32 8>
; CHECK-NEXT: [[A_FOO:%.*]] = call <9 x double> @foo(<9 x double> [[TMP21]])
; CHECK-NEXT: [[SPLIT3:%.*]] = shufflevector <9 x double> [[B:%.*]], <9 x double> undef, <3 x i32> <i32 0, i32 1, i32 2>
; CHECK-NEXT: [[SPLIT4:%.*]] = shufflevector <9 x double> [[B]], <9 x double> undef, <3 x i32> <i32 3, i32 4, i32 5>
; CHECK-NEXT: [[SPLIT5:%.*]] = shufflevector <9 x double> [[B]], <9 x double> undef, <3 x i32> <i32 6, i32 7, i32 8>
; CHECK-NEXT: [[SPLIT6:%.*]] = shufflevector <9 x double> [[A_FOO]], <9 x double> undef, <3 x i32> <i32 0, i32 1, i32 2>
; CHECK-NEXT: [[SPLIT7:%.*]] = shufflevector <9 x double> [[A_FOO]], <9 x double> undef, <3 x i32> <i32 3, i32 4, i32 5>
; CHECK-NEXT: [[SPLIT8:%.*]] = shufflevector <9 x double> [[A_FOO]], <9 x double> undef, <3 x i32> <i32 6, i32 7, i32 8>
;
%A.trans = tail call <9 x double> @llvm.matrix.transpose.v9f64(<9 x double> %A, i32 3, i32 3)
%A.foo = call <9 x double> @foo(<9 x double> %A.trans)
%res = tail call <9 x double> @llvm.matrix.multiply.v9f64.v9f64.v9f64(<9 x double> %B, <9 x double> %A.foo, i32 3, i32 3, i32 3)
ret <9 x double> %res
}
declare <9 x double> @llvm.matrix.multiply.v9f64.v9f64.v9f64(<9 x double>, <9 x double>, i32 immarg, i32 immarg, i32 immarg)
declare <9 x double> @llvm.matrix.transpose.v9f64(<9 x double>, i32 immarg, i32 immarg)
declare <9 x double> @foo(<9 x double>)