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-rw-r--r--llvm/test/CodeGen/AArch64/fast-isel-shift.ll22
1 files changed, 16 insertions, 6 deletions
diff --git a/llvm/test/CodeGen/AArch64/fast-isel-shift.ll b/llvm/test/CodeGen/AArch64/fast-isel-shift.ll
index 35868ee384f..8f670b4ba20 100644
--- a/llvm/test/CodeGen/AArch64/fast-isel-shift.ll
+++ b/llvm/test/CodeGen/AArch64/fast-isel-shift.ll
@@ -1,14 +1,14 @@
; RUN: llc -fast-isel -fast-isel-abort -mtriple=arm64-apple-darwin < %s | FileCheck %s
; CHECK-LABEL: lsl_i8
-; CHECK: lsl {{w[0-9]*}}, {{w[0-9]*}}, #4
+; CHECK: ubfiz {{w[0-9]*}}, {{w[0-9]*}}, #4, #4
define zeroext i8 @lsl_i8(i8 %a) {
%1 = shl i8 %a, 4
ret i8 %1
}
; CHECK-LABEL: lsl_i16
-; CHECK: lsl {{w[0-9]*}}, {{w[0-9]*}}, #8
+; CHECK: ubfiz {{w[0-9]*}}, {{w[0-9]*}}, #8, #8
define zeroext i16 @lsl_i16(i16 %a) {
%1 = shl i16 %a, 8
ret i16 %1
@@ -30,14 +30,14 @@ define i64 @lsl_i64(i64 %a) {
}
; CHECK-LABEL: lsr_i8
-; CHECK: lsr {{w[0-9]*}}, {{w[0-9]*}}, #4
+; CHECK: ubfx {{w[0-9]*}}, {{w[0-9]*}}, #4, #4
define zeroext i8 @lsr_i8(i8 %a) {
%1 = lshr i8 %a, 4
ret i8 %1
}
; CHECK-LABEL: lsr_i16
-; CHECK: lsr {{w[0-9]*}}, {{w[0-9]*}}, #8
+; CHECK: ubfx {{w[0-9]*}}, {{w[0-9]*}}, #8, #8
define zeroext i16 @lsr_i16(i16 %a) {
%1 = lshr i16 %a, 8
ret i16 %1
@@ -59,14 +59,14 @@ define i64 @lsr_i64(i64 %a) {
}
; CHECK-LABEL: asr_i8
-; CHECK: asr {{w[0-9]*}}, {{w[0-9]*}}, #4
+; CHECK: sbfx {{w[0-9]*}}, {{w[0-9]*}}, #4, #4
define zeroext i8 @asr_i8(i8 %a) {
%1 = ashr i8 %a, 4
ret i8 %1
}
; CHECK-LABEL: asr_i16
-; CHECK: asr {{w[0-9]*}}, {{w[0-9]*}}, #8
+; CHECK: sbfx {{w[0-9]*}}, {{w[0-9]*}}, #8, #8
define zeroext i16 @asr_i16(i16 %a) {
%1 = ashr i16 %a, 8
ret i16 %1
@@ -87,3 +87,13 @@ define i64 @asr_i64(i64 %a) {
ret i64 %1
}
+; CHECK-LABEL: shift_test1
+; CHECK: ubfiz {{w[0-9]*}}, {{w[0-9]*}}, #4, #4
+; CHECK-NEXT: sbfx {{w[0-9]*}}, {{w[0-9]*}}, #4, #4
+define i32 @shift_test1(i8 %a) {
+ %1 = shl i8 %a, 4
+ %2 = ashr i8 %1, 4
+ %3 = sext i8 %2 to i32
+ ret i32 %3
+}
+
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