diff options
Diffstat (limited to 'test/CodeGen/ARM/vldlane.ll')
-rw-r--r-- | test/CodeGen/ARM/vldlane.ll | 204 |
1 files changed, 182 insertions, 22 deletions
diff --git a/test/CodeGen/ARM/vldlane.ll b/test/CodeGen/ARM/vldlane.ll index 31ee64f..770ed07 100644 --- a/test/CodeGen/ARM/vldlane.ll +++ b/test/CodeGen/ARM/vldlane.ll @@ -1,5 +1,80 @@ ; RUN: llc < %s -march=arm -mattr=+neon | FileCheck %s +define <8 x i8> @vld1lanei8(i8* %A, <8 x i8>* %B) nounwind { +;CHECK: vld1lanei8: +;Check the (default) alignment value. +;CHECK: vld1.8 {d16[3]}, [r0] + %tmp1 = load <8 x i8>* %B + %tmp2 = load i8* %A, align 8 + %tmp3 = insertelement <8 x i8> %tmp1, i8 %tmp2, i32 3 + ret <8 x i8> %tmp3 +} + +define <4 x i16> @vld1lanei16(i16* %A, <4 x i16>* %B) nounwind { +;CHECK: vld1lanei16: +;Check the alignment value. Max for this instruction is 16 bits: +;CHECK: vld1.16 {d16[2]}, [r0, :16] + %tmp1 = load <4 x i16>* %B + %tmp2 = load i16* %A, align 8 + %tmp3 = insertelement <4 x i16> %tmp1, i16 %tmp2, i32 2 + ret <4 x i16> %tmp3 +} + +define <2 x i32> @vld1lanei32(i32* %A, <2 x i32>* %B) nounwind { +;CHECK: vld1lanei32: +;Check the alignment value. Max for this instruction is 32 bits: +;CHECK: vld1.32 {d16[1]}, [r0, :32] + %tmp1 = load <2 x i32>* %B + %tmp2 = load i32* %A, align 8 + %tmp3 = insertelement <2 x i32> %tmp1, i32 %tmp2, i32 1 + ret <2 x i32> %tmp3 +} + +define <2 x float> @vld1lanef(float* %A, <2 x float>* %B) nounwind { +;CHECK: vld1lanef: +;CHECK: vld1.32 {d16[1]}, [r0] + %tmp1 = load <2 x float>* %B + %tmp2 = load float* %A, align 4 + %tmp3 = insertelement <2 x float> %tmp1, float %tmp2, i32 1 + ret <2 x float> %tmp3 +} + +define <16 x i8> @vld1laneQi8(i8* %A, <16 x i8>* %B) nounwind { +;CHECK: vld1laneQi8: +;CHECK: vld1.8 {d17[1]}, [r0] + %tmp1 = load <16 x i8>* %B + %tmp2 = load i8* %A, align 8 + %tmp3 = insertelement <16 x i8> %tmp1, i8 %tmp2, i32 9 + ret <16 x i8> %tmp3 +} + +define <8 x i16> @vld1laneQi16(i16* %A, <8 x i16>* %B) nounwind { +;CHECK: vld1laneQi16: +;CHECK: vld1.16 {d17[1]}, [r0, :16] + %tmp1 = load <8 x i16>* %B + %tmp2 = load i16* %A, align 8 + %tmp3 = insertelement <8 x i16> %tmp1, i16 %tmp2, i32 5 + ret <8 x i16> %tmp3 +} + +define <4 x i32> @vld1laneQi32(i32* %A, <4 x i32>* %B) nounwind { +;CHECK: vld1laneQi32: +;CHECK: vld1.32 {d17[1]}, [r0, :32] + %tmp1 = load <4 x i32>* %B + %tmp2 = load i32* %A, align 8 + %tmp3 = insertelement <4 x i32> %tmp1, i32 %tmp2, i32 3 + ret <4 x i32> %tmp3 +} + +define <4 x float> @vld1laneQf(float* %A, <4 x float>* %B) nounwind { +;CHECK: vld1laneQf: +;CHECK: vld1.32 {d16[0]}, [r0] + %tmp1 = load <4 x float>* %B + %tmp2 = load float* %A + %tmp3 = insertelement <4 x float> %tmp1, float %tmp2, i32 0 + ret <4 x float> %tmp3 +} + %struct.__neon_int8x8x2_t = type { <8 x i8>, <8 x i8> } %struct.__neon_int16x4x2_t = type { <4 x i16>, <4 x i16> } %struct.__neon_int32x2x2_t = type { <2 x i32>, <2 x i32> } @@ -11,9 +86,10 @@ define <8 x i8> @vld2lanei8(i8* %A, <8 x i8>* %B) nounwind { ;CHECK: vld2lanei8: -;CHECK: vld2.8 +;Check the alignment value. Max for this instruction is 16 bits: +;CHECK: vld2.8 {d16[1], d17[1]}, [r0, :16] %tmp1 = load <8 x i8>* %B - %tmp2 = call %struct.__neon_int8x8x2_t @llvm.arm.neon.vld2lane.v8i8(i8* %A, <8 x i8> %tmp1, <8 x i8> %tmp1, i32 1, i32 1) + %tmp2 = call %struct.__neon_int8x8x2_t @llvm.arm.neon.vld2lane.v8i8(i8* %A, <8 x i8> %tmp1, <8 x i8> %tmp1, i32 1, i32 4) %tmp3 = extractvalue %struct.__neon_int8x8x2_t %tmp2, 0 %tmp4 = extractvalue %struct.__neon_int8x8x2_t %tmp2, 1 %tmp5 = add <8 x i8> %tmp3, %tmp4 @@ -22,10 +98,11 @@ define <8 x i8> @vld2lanei8(i8* %A, <8 x i8>* %B) nounwind { define <4 x i16> @vld2lanei16(i16* %A, <4 x i16>* %B) nounwind { ;CHECK: vld2lanei16: -;CHECK: vld2.16 +;Check the alignment value. Max for this instruction is 32 bits: +;CHECK: vld2.16 {d16[1], d17[1]}, [r0, :32] %tmp0 = bitcast i16* %A to i8* %tmp1 = load <4 x i16>* %B - %tmp2 = call %struct.__neon_int16x4x2_t @llvm.arm.neon.vld2lane.v4i16(i8* %tmp0, <4 x i16> %tmp1, <4 x i16> %tmp1, i32 1, i32 1) + %tmp2 = call %struct.__neon_int16x4x2_t @llvm.arm.neon.vld2lane.v4i16(i8* %tmp0, <4 x i16> %tmp1, <4 x i16> %tmp1, i32 1, i32 8) %tmp3 = extractvalue %struct.__neon_int16x4x2_t %tmp2, 0 %tmp4 = extractvalue %struct.__neon_int16x4x2_t %tmp2, 1 %tmp5 = add <4 x i16> %tmp3, %tmp4 @@ -44,6 +121,22 @@ define <2 x i32> @vld2lanei32(i32* %A, <2 x i32>* %B) nounwind { ret <2 x i32> %tmp5 } +;Check for a post-increment updating load. +define <2 x i32> @vld2lanei32_update(i32** %ptr, <2 x i32>* %B) nounwind { +;CHECK: vld2lanei32_update: +;CHECK: vld2.32 {d16[1], d17[1]}, [r1]! + %A = load i32** %ptr + %tmp0 = bitcast i32* %A to i8* + %tmp1 = load <2 x i32>* %B + %tmp2 = call %struct.__neon_int32x2x2_t @llvm.arm.neon.vld2lane.v2i32(i8* %tmp0, <2 x i32> %tmp1, <2 x i32> %tmp1, i32 1, i32 1) + %tmp3 = extractvalue %struct.__neon_int32x2x2_t %tmp2, 0 + %tmp4 = extractvalue %struct.__neon_int32x2x2_t %tmp2, 1 + %tmp5 = add <2 x i32> %tmp3, %tmp4 + %tmp6 = getelementptr i32* %A, i32 2 + store i32* %tmp6, i32** %ptr + ret <2 x i32> %tmp5 +} + define <2 x float> @vld2lanef(float* %A, <2 x float>* %B) nounwind { ;CHECK: vld2lanef: ;CHECK: vld2.32 @@ -58,10 +151,11 @@ define <2 x float> @vld2lanef(float* %A, <2 x float>* %B) nounwind { define <8 x i16> @vld2laneQi16(i16* %A, <8 x i16>* %B) nounwind { ;CHECK: vld2laneQi16: -;CHECK: vld2.16 +;Check the (default) alignment. +;CHECK: vld2.16 {d17[1], d19[1]}, [r0] %tmp0 = bitcast i16* %A to i8* %tmp1 = load <8 x i16>* %B - %tmp2 = call %struct.__neon_int16x8x2_t @llvm.arm.neon.vld2lane.v8i16(i8* %tmp0, <8 x i16> %tmp1, <8 x i16> %tmp1, i32 1, i32 1) + %tmp2 = call %struct.__neon_int16x8x2_t @llvm.arm.neon.vld2lane.v8i16(i8* %tmp0, <8 x i16> %tmp1, <8 x i16> %tmp1, i32 5, i32 1) %tmp3 = extractvalue %struct.__neon_int16x8x2_t %tmp2, 0 %tmp4 = extractvalue %struct.__neon_int16x8x2_t %tmp2, 1 %tmp5 = add <8 x i16> %tmp3, %tmp4 @@ -70,10 +164,11 @@ define <8 x i16> @vld2laneQi16(i16* %A, <8 x i16>* %B) nounwind { define <4 x i32> @vld2laneQi32(i32* %A, <4 x i32>* %B) nounwind { ;CHECK: vld2laneQi32: -;CHECK: vld2.32 +;Check the alignment value. Max for this instruction is 64 bits: +;CHECK: vld2.32 {d17[0], d19[0]}, [r0, :64] %tmp0 = bitcast i32* %A to i8* %tmp1 = load <4 x i32>* %B - %tmp2 = call %struct.__neon_int32x4x2_t @llvm.arm.neon.vld2lane.v4i32(i8* %tmp0, <4 x i32> %tmp1, <4 x i32> %tmp1, i32 2, i32 1) + %tmp2 = call %struct.__neon_int32x4x2_t @llvm.arm.neon.vld2lane.v4i32(i8* %tmp0, <4 x i32> %tmp1, <4 x i32> %tmp1, i32 2, i32 16) %tmp3 = extractvalue %struct.__neon_int32x4x2_t %tmp2, 0 %tmp4 = extractvalue %struct.__neon_int32x4x2_t %tmp2, 1 %tmp5 = add <4 x i32> %tmp3, %tmp4 @@ -125,10 +220,11 @@ define <8 x i8> @vld3lanei8(i8* %A, <8 x i8>* %B) nounwind { define <4 x i16> @vld3lanei16(i16* %A, <4 x i16>* %B) nounwind { ;CHECK: vld3lanei16: -;CHECK: vld3.16 +;Check the (default) alignment value. VLD3 does not support alignment. +;CHECK: vld3.16 {d16[1], d17[1], d18[1]}, [r0] %tmp0 = bitcast i16* %A to i8* %tmp1 = load <4 x i16>* %B - %tmp2 = call %struct.__neon_int16x4x3_t @llvm.arm.neon.vld3lane.v4i16(i8* %tmp0, <4 x i16> %tmp1, <4 x i16> %tmp1, <4 x i16> %tmp1, i32 1, i32 1) + %tmp2 = call %struct.__neon_int16x4x3_t @llvm.arm.neon.vld3lane.v4i16(i8* %tmp0, <4 x i16> %tmp1, <4 x i16> %tmp1, <4 x i16> %tmp1, i32 1, i32 8) %tmp3 = extractvalue %struct.__neon_int16x4x3_t %tmp2, 0 %tmp4 = extractvalue %struct.__neon_int16x4x3_t %tmp2, 1 %tmp5 = extractvalue %struct.__neon_int16x4x3_t %tmp2, 2 @@ -167,10 +263,11 @@ define <2 x float> @vld3lanef(float* %A, <2 x float>* %B) nounwind { define <8 x i16> @vld3laneQi16(i16* %A, <8 x i16>* %B) nounwind { ;CHECK: vld3laneQi16: -;CHECK: vld3.16 +;Check the (default) alignment value. VLD3 does not support alignment. +;CHECK: vld3.16 {d16[1], d18[1], d20[1]}, [r0] %tmp0 = bitcast i16* %A to i8* %tmp1 = load <8 x i16>* %B - %tmp2 = call %struct.__neon_int16x8x3_t @llvm.arm.neon.vld3lane.v8i16(i8* %tmp0, <8 x i16> %tmp1, <8 x i16> %tmp1, <8 x i16> %tmp1, i32 1, i32 1) + %tmp2 = call %struct.__neon_int16x8x3_t @llvm.arm.neon.vld3lane.v8i16(i8* %tmp0, <8 x i16> %tmp1, <8 x i16> %tmp1, <8 x i16> %tmp1, i32 1, i32 8) %tmp3 = extractvalue %struct.__neon_int16x8x3_t %tmp2, 0 %tmp4 = extractvalue %struct.__neon_int16x8x3_t %tmp2, 1 %tmp5 = extractvalue %struct.__neon_int16x8x3_t %tmp2, 2 @@ -179,6 +276,24 @@ define <8 x i16> @vld3laneQi16(i16* %A, <8 x i16>* %B) nounwind { ret <8 x i16> %tmp7 } +;Check for a post-increment updating load with register increment. +define <8 x i16> @vld3laneQi16_update(i16** %ptr, <8 x i16>* %B, i32 %inc) nounwind { +;CHECK: vld3laneQi16_update: +;CHECK: vld3.16 {d16[1], d18[1], d20[1]}, [r2], r1 + %A = load i16** %ptr + %tmp0 = bitcast i16* %A to i8* + %tmp1 = load <8 x i16>* %B + %tmp2 = call %struct.__neon_int16x8x3_t @llvm.arm.neon.vld3lane.v8i16(i8* %tmp0, <8 x i16> %tmp1, <8 x i16> %tmp1, <8 x i16> %tmp1, i32 1, i32 8) + %tmp3 = extractvalue %struct.__neon_int16x8x3_t %tmp2, 0 + %tmp4 = extractvalue %struct.__neon_int16x8x3_t %tmp2, 1 + %tmp5 = extractvalue %struct.__neon_int16x8x3_t %tmp2, 2 + %tmp6 = add <8 x i16> %tmp3, %tmp4 + %tmp7 = add <8 x i16> %tmp5, %tmp6 + %tmp8 = getelementptr i16* %A, i32 %inc + store i16* %tmp8, i16** %ptr + ret <8 x i16> %tmp7 +} + define <4 x i32> @vld3laneQi32(i32* %A, <4 x i32>* %B) nounwind { ;CHECK: vld3laneQi32: ;CHECK: vld3.32 @@ -227,9 +342,10 @@ declare %struct.__neon_float32x4x3_t @llvm.arm.neon.vld3lane.v4f32(i8*, <4 x flo define <8 x i8> @vld4lanei8(i8* %A, <8 x i8>* %B) nounwind { ;CHECK: vld4lanei8: -;CHECK: vld4.8 +;Check the alignment value. Max for this instruction is 32 bits: +;CHECK: vld4.8 {d16[1], d17[1], d18[1], d19[1]}, [r0, :32] %tmp1 = load <8 x i8>* %B - %tmp2 = call %struct.__neon_int8x8x4_t @llvm.arm.neon.vld4lane.v8i8(i8* %A, <8 x i8> %tmp1, <8 x i8> %tmp1, <8 x i8> %tmp1, <8 x i8> %tmp1, i32 1, i32 1) + %tmp2 = call %struct.__neon_int8x8x4_t @llvm.arm.neon.vld4lane.v8i8(i8* %A, <8 x i8> %tmp1, <8 x i8> %tmp1, <8 x i8> %tmp1, <8 x i8> %tmp1, i32 1, i32 8) %tmp3 = extractvalue %struct.__neon_int8x8x4_t %tmp2, 0 %tmp4 = extractvalue %struct.__neon_int8x8x4_t %tmp2, 1 %tmp5 = extractvalue %struct.__neon_int8x8x4_t %tmp2, 2 @@ -240,12 +356,33 @@ define <8 x i8> @vld4lanei8(i8* %A, <8 x i8>* %B) nounwind { ret <8 x i8> %tmp9 } +;Check for a post-increment updating load. +define <8 x i8> @vld4lanei8_update(i8** %ptr, <8 x i8>* %B) nounwind { +;CHECK: vld4lanei8_update: +;CHECK: vld4.8 {d16[1], d17[1], d18[1], d19[1]}, [r1, :32]! + %A = load i8** %ptr + %tmp1 = load <8 x i8>* %B + %tmp2 = call %struct.__neon_int8x8x4_t @llvm.arm.neon.vld4lane.v8i8(i8* %A, <8 x i8> %tmp1, <8 x i8> %tmp1, <8 x i8> %tmp1, <8 x i8> %tmp1, i32 1, i32 8) + %tmp3 = extractvalue %struct.__neon_int8x8x4_t %tmp2, 0 + %tmp4 = extractvalue %struct.__neon_int8x8x4_t %tmp2, 1 + %tmp5 = extractvalue %struct.__neon_int8x8x4_t %tmp2, 2 + %tmp6 = extractvalue %struct.__neon_int8x8x4_t %tmp2, 3 + %tmp7 = add <8 x i8> %tmp3, %tmp4 + %tmp8 = add <8 x i8> %tmp5, %tmp6 + %tmp9 = add <8 x i8> %tmp7, %tmp8 + %tmp10 = getelementptr i8* %A, i32 4 + store i8* %tmp10, i8** %ptr + ret <8 x i8> %tmp9 +} + define <4 x i16> @vld4lanei16(i16* %A, <4 x i16>* %B) nounwind { ;CHECK: vld4lanei16: -;CHECK: vld4.16 +;Check that a power-of-two alignment smaller than the total size of the memory +;being loaded is ignored. +;CHECK: vld4.16 {d16[1], d17[1], d18[1], d19[1]}, [r0] %tmp0 = bitcast i16* %A to i8* %tmp1 = load <4 x i16>* %B - %tmp2 = call %struct.__neon_int16x4x4_t @llvm.arm.neon.vld4lane.v4i16(i8* %tmp0, <4 x i16> %tmp1, <4 x i16> %tmp1, <4 x i16> %tmp1, <4 x i16> %tmp1, i32 1, i32 1) + %tmp2 = call %struct.__neon_int16x4x4_t @llvm.arm.neon.vld4lane.v4i16(i8* %tmp0, <4 x i16> %tmp1, <4 x i16> %tmp1, <4 x i16> %tmp1, <4 x i16> %tmp1, i32 1, i32 4) %tmp3 = extractvalue %struct.__neon_int16x4x4_t %tmp2, 0 %tmp4 = extractvalue %struct.__neon_int16x4x4_t %tmp2, 1 %tmp5 = extractvalue %struct.__neon_int16x4x4_t %tmp2, 2 @@ -258,10 +395,12 @@ define <4 x i16> @vld4lanei16(i16* %A, <4 x i16>* %B) nounwind { define <2 x i32> @vld4lanei32(i32* %A, <2 x i32>* %B) nounwind { ;CHECK: vld4lanei32: -;CHECK: vld4.32 +;Check the alignment value. An 8-byte alignment is allowed here even though +;it is smaller than the total size of the memory being loaded. +;CHECK: vld4.32 {d16[1], d17[1], d18[1], d19[1]}, [r0, :64] %tmp0 = bitcast i32* %A to i8* %tmp1 = load <2 x i32>* %B - %tmp2 = call %struct.__neon_int32x2x4_t @llvm.arm.neon.vld4lane.v2i32(i8* %tmp0, <2 x i32> %tmp1, <2 x i32> %tmp1, <2 x i32> %tmp1, <2 x i32> %tmp1, i32 1, i32 1) + %tmp2 = call %struct.__neon_int32x2x4_t @llvm.arm.neon.vld4lane.v2i32(i8* %tmp0, <2 x i32> %tmp1, <2 x i32> %tmp1, <2 x i32> %tmp1, <2 x i32> %tmp1, i32 1, i32 8) %tmp3 = extractvalue %struct.__neon_int32x2x4_t %tmp2, 0 %tmp4 = extractvalue %struct.__neon_int32x2x4_t %tmp2, 1 %tmp5 = extractvalue %struct.__neon_int32x2x4_t %tmp2, 2 @@ -290,10 +429,11 @@ define <2 x float> @vld4lanef(float* %A, <2 x float>* %B) nounwind { define <8 x i16> @vld4laneQi16(i16* %A, <8 x i16>* %B) nounwind { ;CHECK: vld4laneQi16: -;CHECK: vld4.16 +;Check the alignment value. Max for this instruction is 64 bits: +;CHECK: vld4.16 {d16[1], d18[1], d20[1], d22[1]}, [r0, :64] %tmp0 = bitcast i16* %A to i8* %tmp1 = load <8 x i16>* %B - %tmp2 = call %struct.__neon_int16x8x4_t @llvm.arm.neon.vld4lane.v8i16(i8* %tmp0, <8 x i16> %tmp1, <8 x i16> %tmp1, <8 x i16> %tmp1, <8 x i16> %tmp1, i32 1, i32 1) + %tmp2 = call %struct.__neon_int16x8x4_t @llvm.arm.neon.vld4lane.v8i16(i8* %tmp0, <8 x i16> %tmp1, <8 x i16> %tmp1, <8 x i16> %tmp1, <8 x i16> %tmp1, i32 1, i32 16) %tmp3 = extractvalue %struct.__neon_int16x8x4_t %tmp2, 0 %tmp4 = extractvalue %struct.__neon_int16x8x4_t %tmp2, 1 %tmp5 = extractvalue %struct.__neon_int16x8x4_t %tmp2, 2 @@ -306,10 +446,11 @@ define <8 x i16> @vld4laneQi16(i16* %A, <8 x i16>* %B) nounwind { define <4 x i32> @vld4laneQi32(i32* %A, <4 x i32>* %B) nounwind { ;CHECK: vld4laneQi32: -;CHECK: vld4.32 +;Check the (default) alignment. +;CHECK: vld4.32 {d17[0], d19[0], d21[0], d23[0]}, [r0] %tmp0 = bitcast i32* %A to i8* %tmp1 = load <4 x i32>* %B - %tmp2 = call %struct.__neon_int32x4x4_t @llvm.arm.neon.vld4lane.v4i32(i8* %tmp0, <4 x i32> %tmp1, <4 x i32> %tmp1, <4 x i32> %tmp1, <4 x i32> %tmp1, i32 1, i32 1) + %tmp2 = call %struct.__neon_int32x4x4_t @llvm.arm.neon.vld4lane.v4i32(i8* %tmp0, <4 x i32> %tmp1, <4 x i32> %tmp1, <4 x i32> %tmp1, <4 x i32> %tmp1, i32 2, i32 1) %tmp3 = extractvalue %struct.__neon_int32x4x4_t %tmp2, 0 %tmp4 = extractvalue %struct.__neon_int32x4x4_t %tmp2, 1 %tmp5 = extractvalue %struct.__neon_int32x4x4_t %tmp2, 2 @@ -344,3 +485,22 @@ declare %struct.__neon_float32x2x4_t @llvm.arm.neon.vld4lane.v2f32(i8*, <2 x flo declare %struct.__neon_int16x8x4_t @llvm.arm.neon.vld4lane.v8i16(i8*, <8 x i16>, <8 x i16>, <8 x i16>, <8 x i16>, i32, i32) nounwind readonly declare %struct.__neon_int32x4x4_t @llvm.arm.neon.vld4lane.v4i32(i8*, <4 x i32>, <4 x i32>, <4 x i32>, <4 x i32>, i32, i32) nounwind readonly declare %struct.__neon_float32x4x4_t @llvm.arm.neon.vld4lane.v4f32(i8*, <4 x float>, <4 x float>, <4 x float>, <4 x float>, i32, i32) nounwind readonly + +; Radar 8776599: If one of the operands to a QQQQ REG_SEQUENCE is a register +; in the QPR_VFP2 regclass, it needs to be copied to a QPR regclass because +; we don't currently have a QQQQ_VFP2 super-regclass. (The "0" for the low +; part of %ins67 is supposed to be loaded by a VLDRS instruction in this test.) +define void @test_qqqq_regsequence_subreg([6 x i64] %b) nounwind { +;CHECK: test_qqqq_regsequence_subreg +;CHECK: vld3.16 + %tmp63 = extractvalue [6 x i64] %b, 5 + %tmp64 = zext i64 %tmp63 to i128 + %tmp65 = shl i128 %tmp64, 64 + %ins67 = or i128 %tmp65, 0 + %tmp78 = bitcast i128 %ins67 to <8 x i16> + %vld3_lane = tail call %struct.__neon_int16x8x3_t @llvm.arm.neon.vld3lane.v8i16(i8* undef, <8 x i16> undef, <8 x i16> undef, <8 x i16> %tmp78, i32 1, i32 2) + call void @llvm.trap() + unreachable +} + +declare void @llvm.trap() nounwind |