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[InstSimplify] add tests for rotates of 0/-1; NFC

This commit is contained in:
Sanjay Patel 2021-08-22 09:09:49 -04:00
parent 8533e782ef
commit a0ebac4466
1 changed files with 36 additions and 0 deletions
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36
llvm/test/Transforms/InstSimplify/call.ll
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@ -958,6 +958,42 @@ define i9 @fshr_ops_poison6() {
ret i9 %r
}
define i8 @fshl_zero(i8 %shamt) {
; CHECK-LABEL: @fshl_zero(
; CHECK-NEXT: [[R:%.*]] = call i8 @llvm.fshl.i8(i8 0, i8 0, i8 [[SHAMT:%.*]])
; CHECK-NEXT: ret i8 [[R]]
;
%r = call i8 @llvm.fshl.i8(i8 0, i8 0, i8 %shamt)
ret i8 %r
}
define <2 x i8> @fshr_zero_vec(<2 x i8> %shamt) {
; CHECK-LABEL: @fshr_zero_vec(
; CHECK-NEXT: [[R:%.*]] = call <2 x i8> @llvm.fshr.v2i8(<2 x i8> zeroinitializer, <2 x i8> <i8 0, i8 undef>, <2 x i8> [[SHAMT:%.*]])
; CHECK-NEXT: ret <2 x i8> [[R]]
;
%r = call <2 x i8> @llvm.fshr.v2i8(<2 x i8> zeroinitializer, <2 x i8> <i8 0, i8 undef>, <2 x i8> %shamt)
ret <2 x i8> %r
}
define <2 x i7> @fshl_ones_vec(<2 x i7> %shamt) {
; CHECK-LABEL: @fshl_ones_vec(
; CHECK-NEXT: [[R:%.*]] = call <2 x i7> @llvm.fshl.v2i7(<2 x i7> <i7 undef, i7 -1>, <2 x i7> <i7 -1, i7 undef>, <2 x i7> [[SHAMT:%.*]])
; CHECK-NEXT: ret <2 x i7> [[R]]
;
%r = call <2 x i7> @llvm.fshl.v2i7(<2 x i7> <i7 undef, i7 -1>, <2 x i7> <i7 -1, i7 undef>, <2 x i7> %shamt)
ret <2 x i7> %r
}
define i9 @fshr_ones(i9 %shamt) {
; CHECK-LABEL: @fshr_ones(
; CHECK-NEXT: [[R:%.*]] = call i9 @llvm.fshr.i9(i9 -1, i9 -1, i9 [[SHAMT:%.*]])
; CHECK-NEXT: ret i9 [[R]]
;
%r = call i9 @llvm.fshr.i9(i9 -1, i9 -1, i9 %shamt)
ret i9 %r
}
declare double @llvm.fma.f64(double,double,double)
declare double @llvm.fmuladd.f64(double,double,double)