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-rw-r--r--llvm/test/Transforms/InstCombine/select-with-bitwise-ops.ll128
1 files changed, 128 insertions, 0 deletions
diff --git a/llvm/test/Transforms/InstCombine/select-with-bitwise-ops.ll b/llvm/test/Transforms/InstCombine/select-with-bitwise-ops.ll
index 6248dd03221..b425a26020c 100644
--- a/llvm/test/Transforms/InstCombine/select-with-bitwise-ops.ll
+++ b/llvm/test/Transforms/InstCombine/select-with-bitwise-ops.ll
@@ -17,6 +17,20 @@ define i32 @select_icmp_eq_and_1_0_or_2(i32 %x, i32 %y) {
ret i32 %select
}
+define <2 x i32> @select_icmp_eq_and_1_0_or_2_vec(<2 x i32> %x, <2 x i32> %y) {
+; CHECK-LABEL: @select_icmp_eq_and_1_0_or_2_vec(
+; CHECK-NEXT: [[AND:%.*]] = shl <2 x i32> [[X:%.*]], <i32 1, i32 1>
+; CHECK-NEXT: [[TMP1:%.*]] = and <2 x i32> [[AND]], <i32 2, i32 2>
+; CHECK-NEXT: [[TMP2:%.*]] = or <2 x i32> [[TMP1]], [[Y:%.*]]
+; CHECK-NEXT: ret <2 x i32> [[TMP2]]
+;
+ %and = and <2 x i32> %x, <i32 1, i32 1>
+ %cmp = icmp eq <2 x i32> %and, zeroinitializer
+ %or = or <2 x i32> %y, <i32 2, i32 2>
+ %select = select <2 x i1> %cmp, <2 x i32> %y, <2 x i32> %or
+ ret <2 x i32> %select
+}
+
define i32 @select_icmp_eq_and_32_0_or_8(i32 %x, i32 %y) {
; CHECK-LABEL: @select_icmp_eq_and_32_0_or_8(
; CHECK-NEXT: [[AND:%.*]] = lshr i32 %x, 2
@@ -31,6 +45,20 @@ define i32 @select_icmp_eq_and_32_0_or_8(i32 %x, i32 %y) {
ret i32 %select
}
+define <2 x i32> @select_icmp_eq_and_32_0_or_8_vec(<2 x i32> %x, <2 x i32> %y) {
+; CHECK-LABEL: @select_icmp_eq_and_32_0_or_8_vec(
+; CHECK-NEXT: [[AND:%.*]] = lshr <2 x i32> [[X:%.*]], <i32 2, i32 2>
+; CHECK-NEXT: [[TMP1:%.*]] = and <2 x i32> [[AND]], <i32 8, i32 8>
+; CHECK-NEXT: [[TMP2:%.*]] = or <2 x i32> [[TMP1]], [[Y:%.*]]
+; CHECK-NEXT: ret <2 x i32> [[TMP2]]
+;
+ %and = and <2 x i32> %x, <i32 32, i32 32>
+ %cmp = icmp eq <2 x i32> %and, zeroinitializer
+ %or = or <2 x i32> %y, <i32 8, i32 8>
+ %select = select <2 x i1> %cmp, <2 x i32> %y, <2 x i32> %or
+ ret <2 x i32> %select
+}
+
define i32 @select_icmp_ne_0_and_4096_or_4096(i32 %x, i32 %y) {
; CHECK-LABEL: @select_icmp_ne_0_and_4096_or_4096(
; CHECK-NEXT: [[AND:%.*]] = and i32 %x, 4096
@@ -45,6 +73,20 @@ define i32 @select_icmp_ne_0_and_4096_or_4096(i32 %x, i32 %y) {
ret i32 %select
}
+define <2 x i32> @select_icmp_ne_0_and_4096_or_4096_vec(<2 x i32> %x, <2 x i32> %y) {
+; CHECK-LABEL: @select_icmp_ne_0_and_4096_or_4096_vec(
+; CHECK-NEXT: [[AND:%.*]] = and <2 x i32> [[X:%.*]], <i32 4096, i32 4096>
+; CHECK-NEXT: [[TMP1:%.*]] = xor <2 x i32> [[AND]], <i32 4096, i32 4096>
+; CHECK-NEXT: [[TMP2:%.*]] = or <2 x i32> [[TMP1]], [[Y:%.*]]
+; CHECK-NEXT: ret <2 x i32> [[TMP2]]
+;
+ %and = and <2 x i32> %x, <i32 4096, i32 4096>
+ %cmp = icmp ne <2 x i32> zeroinitializer, %and
+ %or = or <2 x i32> %y, <i32 4096, i32 4096>
+ %select = select <2 x i1> %cmp, <2 x i32> %y, <2 x i32> %or
+ ret <2 x i32> %select
+}
+
define i32 @select_icmp_eq_and_4096_0_or_4096(i32 %x, i32 %y) {
; CHECK-LABEL: @select_icmp_eq_and_4096_0_or_4096(
; CHECK-NEXT: [[AND:%.*]] = and i32 %x, 4096
@@ -58,6 +100,19 @@ define i32 @select_icmp_eq_and_4096_0_or_4096(i32 %x, i32 %y) {
ret i32 %select
}
+define <2 x i32> @select_icmp_eq_and_4096_0_or_4096_vec(<2 x i32> %x, <2 x i32> %y) {
+; CHECK-LABEL: @select_icmp_eq_and_4096_0_or_4096_vec(
+; CHECK-NEXT: [[AND:%.*]] = and <2 x i32> [[X:%.*]], <i32 4096, i32 4096>
+; CHECK-NEXT: [[TMP1:%.*]] = or <2 x i32> [[AND]], [[Y:%.*]]
+; CHECK-NEXT: ret <2 x i32> [[TMP1]]
+;
+ %and = and <2 x i32> %x, <i32 4096, i32 4096>
+ %cmp = icmp eq <2 x i32> %and, zeroinitializer
+ %or = or <2 x i32> %y, <i32 4096, i32 4096>
+ %select = select <2 x i1> %cmp, <2 x i32> %y, <2 x i32> %or
+ ret <2 x i32> %select
+}
+
define i32 @select_icmp_eq_0_and_1_or_1(i64 %x, i32 %y) {
; CHECK-LABEL: @select_icmp_eq_0_and_1_or_1(
; CHECK-NEXT: [[X_TR:%.*]] = trunc i64 %x to i32
@@ -72,6 +127,20 @@ define i32 @select_icmp_eq_0_and_1_or_1(i64 %x, i32 %y) {
ret i32 %select
}
+define <2 x i32> @select_icmp_eq_0_and_1_or_1_vec(<2 x i64> %x, <2 x i32> %y) {
+; CHECK-LABEL: @select_icmp_eq_0_and_1_or_1_vec(
+; CHECK-NEXT: [[TMP1:%.*]] = trunc <2 x i64> [[X:%.*]] to <2 x i32>
+; CHECK-NEXT: [[TMP2:%.*]] = and <2 x i32> [[TMP1]], <i32 1, i32 1>
+; CHECK-NEXT: [[TMP3:%.*]] = or <2 x i32> [[TMP2]], [[Y:%.*]]
+; CHECK-NEXT: ret <2 x i32> [[TMP3]]
+;
+ %and = and <2 x i64> %x, <i64 1, i64 1>
+ %cmp = icmp eq <2 x i64> %and, zeroinitializer
+ %or = or <2 x i32> %y, <i32 1, i32 1>
+ %select = select <2 x i1> %cmp, <2 x i32> %y, <2 x i32> %or
+ ret <2 x i32> %select
+}
+
define i32 @select_icmp_ne_0_and_4096_or_32(i32 %x, i32 %y) {
; CHECK-LABEL: @select_icmp_ne_0_and_4096_or_32(
; CHECK-NEXT: [[AND:%.*]] = lshr i32 %x, 7
@@ -102,6 +171,21 @@ define i32 @select_icmp_ne_0_and_32_or_4096(i32 %x, i32 %y) {
ret i32 %select
}
+define <2 x i32> @select_icmp_ne_0_and_32_or_4096_vec(<2 x i32> %x, <2 x i32> %y) {
+; CHECK-LABEL: @select_icmp_ne_0_and_32_or_4096_vec(
+; CHECK-NEXT: [[AND:%.*]] = shl <2 x i32> [[X:%.*]], <i32 7, i32 7>
+; CHECK-NEXT: [[TMP1:%.*]] = and <2 x i32> [[AND]], <i32 4096, i32 4096>
+; CHECK-NEXT: [[TMP2:%.*]] = xor <2 x i32> [[TMP1]], <i32 4096, i32 4096>
+; CHECK-NEXT: [[TMP3:%.*]] = or <2 x i32> [[TMP2]], [[Y:%.*]]
+; CHECK-NEXT: ret <2 x i32> [[TMP3]]
+;
+ %and = and <2 x i32> %x, <i32 32, i32 32>
+ %cmp = icmp ne <2 x i32> zeroinitializer, %and
+ %or = or <2 x i32> %y, <i32 4096, i32 4096>
+ %select = select <2 x i1> %cmp, <2 x i32> %y, <2 x i32> %or
+ ret <2 x i32> %select
+}
+
define i8 @select_icmp_ne_0_and_1073741824_or_8(i32 %x, i8 %y) {
; CHECK-LABEL: @select_icmp_ne_0_and_1073741824_or_8(
; CHECK-NEXT: [[AND:%.*]] = and i32 %x, 1073741824
@@ -218,6 +302,21 @@ define i64 @select_icmp_x_and_8_ne_0_y_or_8(i32 %x, i64 %y) {
ret i64 %or.y
}
+define <2 x i64> @select_icmp_x_and_8_ne_0_y_or_8_vec(<2 x i32> %x, <2 x i64> %y) {
+; CHECK-LABEL: @select_icmp_x_and_8_ne_0_y_or_8_vec(
+; CHECK-NEXT: [[AND:%.*]] = and <2 x i32> [[X:%.*]], <i32 8, i32 8>
+; CHECK-NEXT: [[TMP1:%.*]] = xor <2 x i32> [[AND]], <i32 8, i32 8>
+; CHECK-NEXT: [[TMP2:%.*]] = zext <2 x i32> [[TMP1]] to <2 x i64>
+; CHECK-NEXT: [[TMP3:%.*]] = or <2 x i64> [[TMP2]], [[Y:%.*]]
+; CHECK-NEXT: ret <2 x i64> [[TMP3]]
+;
+ %and = and <2 x i32> %x, <i32 8, i32 8>
+ %cmp = icmp eq <2 x i32> %and, zeroinitializer
+ %or = or <2 x i64> %y, <i64 8, i64 8>
+ %or.y = select <2 x i1> %cmp, <2 x i64> %or, <2 x i64> %y
+ ret <2 x i64> %or.y
+}
+
define i32 @select_icmp_and_2147483648_ne_0_xor_2147483648(i32 %x) {
; CHECK-LABEL: @select_icmp_and_2147483648_ne_0_xor_2147483648(
; CHECK-NEXT: [[TMP1:%.*]] = and i32 %x, 2147483647
@@ -366,6 +465,20 @@ define i32 @test68(i32 %x, i32 %y) {
ret i32 %select
}
+define <2 x i32> @test68vec(<2 x i32> %x, <2 x i32> %y) {
+; CHECK-LABEL: @test68vec(
+; CHECK-NEXT: [[TMP1:%.*]] = lshr <2 x i32> [[X:%.*]], <i32 6, i32 6>
+; CHECK-NEXT: [[TMP2:%.*]] = and <2 x i32> [[TMP1]], <i32 2, i32 2>
+; CHECK-NEXT: [[TMP3:%.*]] = or <2 x i32> [[TMP2]], [[Y:%.*]]
+; CHECK-NEXT: ret <2 x i32> [[TMP3]]
+;
+ %and = and <2 x i32> %x, <i32 128, i32 128>
+ %cmp = icmp eq <2 x i32> %and, zeroinitializer
+ %or = or <2 x i32> %y, <i32 2, i32 2>
+ %select = select <2 x i1> %cmp, <2 x i32> %y, <2 x i32> %or
+ ret <2 x i32> %select
+}
+
define i32 @test69(i32 %x, i32 %y) {
; CHECK-LABEL: @test69(
; CHECK-NEXT: [[TMP1:%.*]] = lshr i32 [[X:%.*]], 6
@@ -381,6 +494,21 @@ define i32 @test69(i32 %x, i32 %y) {
ret i32 %select
}
+define <2 x i32> @test69vec(<2 x i32> %x, <2 x i32> %y) {
+; CHECK-LABEL: @test69vec(
+; CHECK-NEXT: [[TMP1:%.*]] = lshr <2 x i32> [[X:%.*]], <i32 6, i32 6>
+; CHECK-NEXT: [[TMP2:%.*]] = and <2 x i32> [[TMP1]], <i32 2, i32 2>
+; CHECK-NEXT: [[TMP3:%.*]] = xor <2 x i32> [[TMP2]], <i32 2, i32 2>
+; CHECK-NEXT: [[TMP4:%.*]] = or <2 x i32> [[TMP3]], [[Y:%.*]]
+; CHECK-NEXT: ret <2 x i32> [[TMP4]]
+;
+ %and = and <2 x i32> %x, <i32 128, i32 128>
+ %cmp = icmp ne <2 x i32> %and, zeroinitializer
+ %or = or <2 x i32> %y, <i32 2, i32 2>
+ %select = select <2 x i1> %cmp, <2 x i32> %y, <2 x i32> %or
+ ret <2 x i32> %select
+}
+
; TODO: we should be able to remove this select
define i8 @test70(i8 %x, i8 %y) {
; CHECK-LABEL: @test70(
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