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-rw-r--r--test/CodeGen/PowerPC/shift128.ll92
1 files changed, 88 insertions, 4 deletions
diff --git a/test/CodeGen/PowerPC/shift128.ll b/test/CodeGen/PowerPC/shift128.ll
index 17a380c71c35..48e1b96f838b 100644
--- a/test/CodeGen/PowerPC/shift128.ll
+++ b/test/CodeGen/PowerPC/shift128.ll
@@ -1,14 +1,98 @@
-; RUN: llc -verify-machineinstrs < %s -march=ppc64 | grep sld | count 5
+; RUN: llc -verify-machineinstrs < %s | FileCheck --check-prefix=P8 --check-prefix=CHECK %s
+; RUN: llc -mcpu=pwr9 -verify-machineinstrs < %s | FileCheck --check-prefix=P9 --check-prefix=CHECK %s
+target datalayout = "e-m:e-i64:64-n32:64"
+target triple = "powerpc64le-unknown-linux-gnu"
-define i128 @foo_lshr(i128 %x, i128 %y) {
+; CHECK-LABEL: lshr:
+; CHECK-DAG: subfic [[R0:[0-9]+]], 5, 64
+; CHECK-DAG: addi [[R1:[0-9]+]], 5, -64
+; CHECK-DAG: srd [[R2:[0-9]+]], 3, 5
+; CHECK-DAG: sld [[R3:[0-9]+]], 4, [[R0]]
+; CHECK-DAG: srd [[R4:[0-9]+]], 4, [[R1]]
+; CHECK-DAG: or [[R5:[0-9]+]], [[R2]], [[R3]]
+; CHECK-DAG: or 3, [[R5]], [[R4]]
+; CHECK-DAG: srd 4, 4, 5
+; CHECK: blr
+define i128 @lshr(i128 %x, i128 %y) {
%r = lshr i128 %x, %y
ret i128 %r
}
-define i128 @foo_ashr(i128 %x, i128 %y) {
+; CHECK-LABEL: ashr:
+; CHECK-DAG: subfic [[R0:[0-9]+]], 5, 64
+; CHECK-DAG: addi [[R1:[0-9]+]], 5, -64
+; CHECK-DAG: srd [[R2:[0-9]+]], 3, 5
+; CHECK-DAG: sld [[R3:[0-9]+]], 4, [[R0]]
+; CHECK-DAG: srad [[R4:[0-9]+]], 4, [[R1]]
+; CHECK-DAG: or [[R5:[0-9]+]], [[R2]], [[R3]]
+; CHECK-DAG: cmpwi [[R1]], 1
+; CHECK-DAG: srad 4, 4, 5
+; CHECK: isel 3, [[R5]], [[R4]], 0
+; CHECK: blr
+define i128 @ashr(i128 %x, i128 %y) {
%r = ashr i128 %x, %y
ret i128 %r
}
-define i128 @foo_shl(i128 %x, i128 %y) {
+; CHECK-LABEL: shl:
+; CHECK-DAG: subfic [[R0:[0-9]+]], 5, 64
+; CHECK-DAG: addi [[R1:[0-9]+]], 5, -64
+; CHECK-DAG: sld [[R2:[0-9]+]], 4, 5
+; CHECK-DAG: srd [[R3:[0-9]+]], 3, [[R0]]
+; CHECK-DAG: sld [[R4:[0-9]+]], 3, [[R1]]
+; CHECK-DAG: or [[R5:[0-9]+]], [[R2]], [[R3]]
+; CHECK-DAG: or 4, [[R5]], [[R4]]
+; CHECK-DAG: sld 3, 3, 5
+; CHECK: blr
+define i128 @shl(i128 %x, i128 %y) {
%r = shl i128 %x, %y
ret i128 %r
}
+
+; CHECK-LABEL: shl_v1i128:
+; P8-NOT: {{\b}}vslo
+; P8-NOT: {{\b}}vsl
+; P9-DAG: vslo
+; P9-DAG: vspltb
+; P9: vsl
+; P9-NOT: {{\b}}sld
+; P9-NOT: {{\b}}srd
+; CHECK: blr
+define i128 @shl_v1i128(i128 %arg, i128 %amt) local_unnamed_addr #0 {
+entry:
+ %0 = insertelement <1 x i128> undef, i128 %arg, i32 0
+ %1 = insertelement <1 x i128> undef, i128 %amt, i32 0
+ %2 = shl <1 x i128> %0, %1
+ %retval = extractelement <1 x i128> %2, i32 0
+ ret i128 %retval
+}
+
+; CHECK-LABEL: lshr_v1i128:
+; P8-NOT: {{\b}}vsro
+; P8-NOT: {{\b}}vsr
+; P9-DAG: vsro
+; P9-DAG: vspltb
+; P9: vsr
+; P9-NOT: {{\b}}srd
+; P9-NOT: {{\b}}sld
+; CHECK: blr
+define i128 @lshr_v1i128(i128 %arg, i128 %amt) local_unnamed_addr #0 {
+entry:
+ %0 = insertelement <1 x i128> undef, i128 %arg, i32 0
+ %1 = insertelement <1 x i128> undef, i128 %amt, i32 0
+ %2 = lshr <1 x i128> %0, %1
+ %retval = extractelement <1 x i128> %2, i32 0
+ ret i128 %retval
+}
+
+; Arithmetic shift right is not available as an operation on the vector registers.
+; CHECK-LABEL: ashr_v1i128:
+; CHECK-NOT: {{\b}}vsro
+; CHECK-NOT: {{\b}}vsr
+; CHECK: blr
+define i128 @ashr_v1i128(i128 %arg, i128 %amt) local_unnamed_addr #0 {
+entry:
+ %0 = insertelement <1 x i128> undef, i128 %arg, i32 0
+ %1 = insertelement <1 x i128> undef, i128 %amt, i32 0
+ %2 = ashr <1 x i128> %0, %1
+ %retval = extractelement <1 x i128> %2, i32 0
+ ret i128 %retval
+}