diff options
Diffstat (limited to 'llvm/test/CodeGen/AArch64/arm64-dagcombiner-load-slicing.ll')
| -rw-r--r-- | llvm/test/CodeGen/AArch64/arm64-dagcombiner-load-slicing.ll | 102 |
1 files changed, 102 insertions, 0 deletions
diff --git a/llvm/test/CodeGen/AArch64/arm64-dagcombiner-load-slicing.ll b/llvm/test/CodeGen/AArch64/arm64-dagcombiner-load-slicing.ll new file mode 100644 index 00000000000..0679014e59a --- /dev/null +++ b/llvm/test/CodeGen/AArch64/arm64-dagcombiner-load-slicing.ll @@ -0,0 +1,102 @@ +; RUN: llc -mtriple arm64-apple-ios -O3 -o - < %s | FileCheck %s +; <rdar://problem/14477220> + +%class.Complex = type { float, float } +%class.Complex_int = type { i32, i32 } +%class.Complex_long = type { i64, i64 } + +; CHECK-LABEL: @test +; CHECK: add [[BASE:x[0-9]+]], x0, x1, lsl #3 +; CHECK: ldp [[CPLX1_I:s[0-9]+]], [[CPLX1_R:s[0-9]+]], {{\[}}[[BASE]]] +; CHECK: ldp [[CPLX2_I:s[0-9]+]], [[CPLX2_R:s[0-9]+]], {{\[}}[[BASE]], #64] +; CHECK: fadd {{s[0-9]+}}, [[CPLX2_I]], [[CPLX1_I]] +; CHECK: fadd {{s[0-9]+}}, [[CPLX2_R]], [[CPLX1_R]] +; CHECK: ret +define void @test(%class.Complex* nocapture %out, i64 %out_start) { +entry: + %arrayidx = getelementptr inbounds %class.Complex* %out, i64 %out_start + %0 = bitcast %class.Complex* %arrayidx to i64* + %1 = load i64* %0, align 4 + %t0.sroa.0.0.extract.trunc = trunc i64 %1 to i32 + %2 = bitcast i32 %t0.sroa.0.0.extract.trunc to float + %t0.sroa.2.0.extract.shift = lshr i64 %1, 32 + %t0.sroa.2.0.extract.trunc = trunc i64 %t0.sroa.2.0.extract.shift to i32 + %3 = bitcast i32 %t0.sroa.2.0.extract.trunc to float + %add = add i64 %out_start, 8 + %arrayidx2 = getelementptr inbounds %class.Complex* %out, i64 %add + %i.i = getelementptr inbounds %class.Complex* %arrayidx2, i64 0, i32 0 + %4 = load float* %i.i, align 4 + %add.i = fadd float %4, %2 + %retval.sroa.0.0.vec.insert.i = insertelement <2 x float> undef, float %add.i, i32 0 + %r.i = getelementptr inbounds %class.Complex* %arrayidx2, i64 0, i32 1 + %5 = load float* %r.i, align 4 + %add5.i = fadd float %5, %3 + %retval.sroa.0.4.vec.insert.i = insertelement <2 x float> %retval.sroa.0.0.vec.insert.i, float %add5.i, i32 1 + %ref.tmp.sroa.0.0.cast = bitcast %class.Complex* %arrayidx to <2 x float>* + store <2 x float> %retval.sroa.0.4.vec.insert.i, <2 x float>* %ref.tmp.sroa.0.0.cast, align 4 + ret void +} + +; CHECK-LABEL: @test_int +; CHECK: add [[BASE:x[0-9]+]], x0, x1, lsl #3 +; CHECK: ldp [[CPLX1_I:w[0-9]+]], [[CPLX1_R:w[0-9]+]], {{\[}}[[BASE]]] +; CHECK: ldp [[CPLX2_I:w[0-9]+]], [[CPLX2_R:w[0-9]+]], {{\[}}[[BASE]], #64] +; CHECK: add {{w[0-9]+}}, [[CPLX2_I]], [[CPLX1_I]] +; CHECK: add {{w[0-9]+}}, [[CPLX2_R]], [[CPLX1_R]] +; CHECK: ret +define void @test_int(%class.Complex_int* nocapture %out, i64 %out_start) { +entry: + %arrayidx = getelementptr inbounds %class.Complex_int* %out, i64 %out_start + %0 = bitcast %class.Complex_int* %arrayidx to i64* + %1 = load i64* %0, align 4 + %t0.sroa.0.0.extract.trunc = trunc i64 %1 to i32 + %2 = bitcast i32 %t0.sroa.0.0.extract.trunc to i32 + %t0.sroa.2.0.extract.shift = lshr i64 %1, 32 + %t0.sroa.2.0.extract.trunc = trunc i64 %t0.sroa.2.0.extract.shift to i32 + %3 = bitcast i32 %t0.sroa.2.0.extract.trunc to i32 + %add = add i64 %out_start, 8 + %arrayidx2 = getelementptr inbounds %class.Complex_int* %out, i64 %add + %i.i = getelementptr inbounds %class.Complex_int* %arrayidx2, i64 0, i32 0 + %4 = load i32* %i.i, align 4 + %add.i = add i32 %4, %2 + %retval.sroa.0.0.vec.insert.i = insertelement <2 x i32> undef, i32 %add.i, i32 0 + %r.i = getelementptr inbounds %class.Complex_int* %arrayidx2, i64 0, i32 1 + %5 = load i32* %r.i, align 4 + %add5.i = add i32 %5, %3 + %retval.sroa.0.4.vec.insert.i = insertelement <2 x i32> %retval.sroa.0.0.vec.insert.i, i32 %add5.i, i32 1 + %ref.tmp.sroa.0.0.cast = bitcast %class.Complex_int* %arrayidx to <2 x i32>* + store <2 x i32> %retval.sroa.0.4.vec.insert.i, <2 x i32>* %ref.tmp.sroa.0.0.cast, align 4 + ret void +} + +; CHECK-LABEL: @test_long +; CHECK: add [[BASE:x[0-9]+]], x0, x1, lsl #4 +; CHECK: ldp [[CPLX1_I:x[0-9]+]], [[CPLX1_R:x[0-9]+]], {{\[}}[[BASE]]] +; CHECK: ldp [[CPLX2_I:x[0-9]+]], [[CPLX2_R:x[0-9]+]], {{\[}}[[BASE]], #128] +; CHECK: add {{x[0-9]+}}, [[CPLX2_I]], [[CPLX1_I]] +; CHECK: add {{x[0-9]+}}, [[CPLX2_R]], [[CPLX1_R]] +; CHECK: ret +define void @test_long(%class.Complex_long* nocapture %out, i64 %out_start) { +entry: + %arrayidx = getelementptr inbounds %class.Complex_long* %out, i64 %out_start + %0 = bitcast %class.Complex_long* %arrayidx to i128* + %1 = load i128* %0, align 4 + %t0.sroa.0.0.extract.trunc = trunc i128 %1 to i64 + %2 = bitcast i64 %t0.sroa.0.0.extract.trunc to i64 + %t0.sroa.2.0.extract.shift = lshr i128 %1, 64 + %t0.sroa.2.0.extract.trunc = trunc i128 %t0.sroa.2.0.extract.shift to i64 + %3 = bitcast i64 %t0.sroa.2.0.extract.trunc to i64 + %add = add i64 %out_start, 8 + %arrayidx2 = getelementptr inbounds %class.Complex_long* %out, i64 %add + %i.i = getelementptr inbounds %class.Complex_long* %arrayidx2, i32 0, i32 0 + %4 = load i64* %i.i, align 4 + %add.i = add i64 %4, %2 + %retval.sroa.0.0.vec.insert.i = insertelement <2 x i64> undef, i64 %add.i, i32 0 + %r.i = getelementptr inbounds %class.Complex_long* %arrayidx2, i32 0, i32 1 + %5 = load i64* %r.i, align 4 + %add5.i = add i64 %5, %3 + %retval.sroa.0.4.vec.insert.i = insertelement <2 x i64> %retval.sroa.0.0.vec.insert.i, i64 %add5.i, i32 1 + %ref.tmp.sroa.0.0.cast = bitcast %class.Complex_long* %arrayidx to <2 x i64>* + store <2 x i64> %retval.sroa.0.4.vec.insert.i, <2 x i64>* %ref.tmp.sroa.0.0.cast, align 4 + ret void +} |
