define i8 @test9(i32 %X) {
; CHECK-LABEL: @test9(
-; CHECK-NEXT: [[X_TR:%.*]] = trunc i32 %X to i8
-; CHECK-NEXT: [[Z:%.*]] = and i8 [[X_TR]], 42
+; CHECK-NEXT: [[TMP1:%.*]] = trunc i32 %X to i8
+; CHECK-NEXT: [[Z:%.*]] = and i8 [[TMP1]], 42
; CHECK-NEXT: ret i8 [[Z]]
;
%Y = and i32 %X, 42
ret <8 x i16> %conv
}
+; FIXME: trunc (shuffle X, C, Mask) --> shuffle (trunc X), C', Mask
+
+define <4 x i8> @shuf1(<4 x i32> %x) {
+; CHECK-LABEL: @shuf1(
+; CHECK-NEXT: [[SHUF:%.*]] = shufflevector <4 x i32> %x, <4 x i32> <i32 undef, i32 3634, i32 90, i32 undef>, <4 x i32> <i32 1, i32 5, i32 6, i32 2>
+; CHECK-NEXT: [[TRUNC:%.*]] = trunc <4 x i32> [[SHUF]] to <4 x i8>
+; CHECK-NEXT: ret <4 x i8> [[TRUNC]]
+;
+ %shuf = shufflevector <4 x i32> %x, <4 x i32> <i32 35, i32 3634, i32 90, i32 -1>, <4 x i32> <i32 1, i32 5, i32 6, i32 2>
+ %trunc = trunc <4 x i32> %shuf to <4 x i8>
+ ret <4 x i8> %trunc
+}
+
+; TODO: Shuffle with constant operand should be canonicalized to operand 1?
+; FIXME: trunc (shuffle C, X, Mask) --> shuffle C', (trunc X), Mask
+
+define <4 x i8> @shuf2(<4 x i32> %x) {
+; CHECK-LABEL: @shuf2(
+; CHECK-NEXT: [[SHUF:%.*]] = shufflevector <4 x i32> <i32 -3500, i32 undef, i32 undef, i32 -1>, <4 x i32> %x, <4 x i32> <i32 3, i32 6, i32 6, i32 0>
+; CHECK-NEXT: [[TRUNC:%.*]] = trunc <4 x i32> [[SHUF]] to <4 x i8>
+; CHECK-NEXT: ret <4 x i8> [[TRUNC]]
+;
+ %shuf = shufflevector <4 x i32> <i32 -3500, i32 3634, i32 90, i32 -1>, <4 x i32> %x, <4 x i32> <i32 3, i32 6, i32 6, i32 0>
+ %trunc = trunc <4 x i32> %shuf to <4 x i8>
+ ret <4 x i8> %trunc
+}
+