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-rw-r--r--test/CodeGen/ARM/vget_lane.ll37
1 files changed, 29 insertions, 8 deletions
diff --git a/test/CodeGen/ARM/vget_lane.ll b/test/CodeGen/ARM/vget_lane.ll
index 05e7f50..1fc885d 100644
--- a/test/CodeGen/ARM/vget_lane.ll
+++ b/test/CodeGen/ARM/vget_lane.ll
@@ -96,13 +96,14 @@ define i32 @vgetQ_lanei32(<4 x i32>* %A) nounwind {
define arm_aapcs_vfpcc void @test_vget_laneu16() nounwind {
entry:
-; CHECK: vmov.u16 r0, d0[1]
+; CHECK: vmov.u16 r0, d{{.*}}[1]
%arg0_uint16x4_t = alloca <4 x i16> ; <<4 x i16>*> [#uses=1]
%out_uint16_t = alloca i16 ; <i16*> [#uses=1]
%"alloca point" = bitcast i32 0 to i32 ; <i32> [#uses=0]
%0 = load <4 x i16>* %arg0_uint16x4_t, align 8 ; <<4 x i16>> [#uses=1]
%1 = extractelement <4 x i16> %0, i32 1 ; <i16> [#uses=1]
- store i16 %1, i16* %out_uint16_t, align 2
+ %2 = add i16 %1, %1
+ store i16 %2, i16* %out_uint16_t, align 2
br label %return
return: ; preds = %entry
@@ -111,13 +112,14 @@ return: ; preds = %entry
define arm_aapcs_vfpcc void @test_vget_laneu8() nounwind {
entry:
-; CHECK: vmov.u8 r0, d0[1]
+; CHECK: vmov.u8 r0, d{{.*}}[1]
%arg0_uint8x8_t = alloca <8 x i8> ; <<8 x i8>*> [#uses=1]
%out_uint8_t = alloca i8 ; <i8*> [#uses=1]
%"alloca point" = bitcast i32 0 to i32 ; <i32> [#uses=0]
%0 = load <8 x i8>* %arg0_uint8x8_t, align 8 ; <<8 x i8>> [#uses=1]
%1 = extractelement <8 x i8> %0, i32 1 ; <i8> [#uses=1]
- store i8 %1, i8* %out_uint8_t, align 1
+ %2 = add i8 %1, %1
+ store i8 %2, i8* %out_uint8_t, align 1
br label %return
return: ; preds = %entry
@@ -126,13 +128,14 @@ return: ; preds = %entry
define arm_aapcs_vfpcc void @test_vgetQ_laneu16() nounwind {
entry:
-; CHECK: vmov.u16 r0, d0[1]
+; CHECK: vmov.u16 r0, d{{.*}}[1]
%arg0_uint16x8_t = alloca <8 x i16> ; <<8 x i16>*> [#uses=1]
%out_uint16_t = alloca i16 ; <i16*> [#uses=1]
%"alloca point" = bitcast i32 0 to i32 ; <i32> [#uses=0]
%0 = load <8 x i16>* %arg0_uint16x8_t, align 16 ; <<8 x i16>> [#uses=1]
%1 = extractelement <8 x i16> %0, i32 1 ; <i16> [#uses=1]
- store i16 %1, i16* %out_uint16_t, align 2
+ %2 = add i16 %1, %1
+ store i16 %2, i16* %out_uint16_t, align 2
br label %return
return: ; preds = %entry
@@ -141,13 +144,14 @@ return: ; preds = %entry
define arm_aapcs_vfpcc void @test_vgetQ_laneu8() nounwind {
entry:
-; CHECK: vmov.u8 r0, d0[1]
+; CHECK: vmov.u8 r0, d{{.*}}[1]
%arg0_uint8x16_t = alloca <16 x i8> ; <<16 x i8>*> [#uses=1]
%out_uint8_t = alloca i8 ; <i8*> [#uses=1]
%"alloca point" = bitcast i32 0 to i32 ; <i32> [#uses=0]
%0 = load <16 x i8>* %arg0_uint8x16_t, align 16 ; <<16 x i8>> [#uses=1]
%1 = extractelement <16 x i8> %0, i32 1 ; <i8> [#uses=1]
- store i8 %1, i8* %out_uint8_t, align 1
+ %2 = add i8 %1, %1
+ store i8 %2, i8* %out_uint8_t, align 1
br label %return
return: ; preds = %entry
@@ -210,3 +214,20 @@ entry:
%0 = insertelement <2 x float> %arg1_float32x2_t, float %arg0_float32_t, i32 1 ; <<2 x float>> [#uses=1]
ret <2 x float> %0
}
+
+; The llvm extractelement instruction does not require that the lane number
+; be an immediate constant. Make sure a variable lane number is handled.
+
+define i32 @vget_variable_lanes8(<8 x i8>* %A, i32 %B) nounwind {
+ %tmp1 = load <8 x i8>* %A
+ %tmp2 = extractelement <8 x i8> %tmp1, i32 %B
+ %tmp3 = sext i8 %tmp2 to i32
+ ret i32 %tmp3
+}
+
+define i32 @vgetQ_variable_lanei32(<4 x i32>* %A, i32 %B) nounwind {
+ %tmp1 = load <4 x i32>* %A
+ %tmp2 = add <4 x i32> %tmp1, %tmp1
+ %tmp3 = extractelement <4 x i32> %tmp2, i32 %B
+ ret i32 %tmp3
+}
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