diff options
Diffstat (limited to 'llvm/test/CodeGen/AArch64/dup.ll')
| -rw-r--r-- | llvm/test/CodeGen/AArch64/dup.ll | 90 |
1 files changed, 65 insertions, 25 deletions
diff --git a/llvm/test/CodeGen/AArch64/dup.ll b/llvm/test/CodeGen/AArch64/dup.ll index 670574f2..6df6d76 100644 --- a/llvm/test/CodeGen/AArch64/dup.ll +++ b/llvm/test/CodeGen/AArch64/dup.ll @@ -2,16 +2,21 @@ ; RUN: llc -mtriple=aarch64-none-none-eabi -verify-machineinstrs %s -o - | FileCheck %s --check-prefixes=CHECK,CHECK-SD ; RUN: llc -mtriple=aarch64-none-none-eabi -verify-machineinstrs -global-isel -global-isel-abort=2 %s -o - 2>&1 | FileCheck %s --check-prefixes=CHECK,CHECK-GI -; CHECK-GI: warning: Instruction selection used fallback path for dup_v2i8 -; CHECK-GI-NEXT: warning: Instruction selection used fallback path for duplane0_v2i8 -; CHECK-GI-NEXT: warning: Instruction selection used fallback path for loaddup_v2i8 -; CHECK-GI-NEXT: warning: Instruction selection used fallback path for loaddup_str_v2i8 - define <2 x i8> @dup_v2i8(i8 %a) { -; CHECK-LABEL: dup_v2i8: -; CHECK: // %bb.0: // %entry -; CHECK-NEXT: dup v0.2s, w0 -; CHECK-NEXT: ret +; CHECK-SD-LABEL: dup_v2i8: +; CHECK-SD: // %bb.0: // %entry +; CHECK-SD-NEXT: dup v0.2s, w0 +; CHECK-SD-NEXT: ret +; +; CHECK-GI-LABEL: dup_v2i8: +; CHECK-GI: // %bb.0: // %entry +; CHECK-GI-NEXT: dup v0.8b, w0 +; CHECK-GI-NEXT: umov w8, v0.b[0] +; CHECK-GI-NEXT: umov w9, v0.b[1] +; CHECK-GI-NEXT: fmov s0, w8 +; CHECK-GI-NEXT: mov v0.s[1], w9 +; CHECK-GI-NEXT: // kill: def $d0 killed $d0 killed $q0 +; CHECK-GI-NEXT: ret entry: %b = insertelement <2 x i8> poison, i8 %a, i64 0 %c = shufflevector <2 x i8> %b, <2 x i8> poison, <2 x i32> zeroinitializer @@ -19,22 +24,45 @@ entry: } define <2 x i8> @duplane0_v2i8(<2 x i8> %b) { -; CHECK-LABEL: duplane0_v2i8: -; CHECK: // %bb.0: // %entry -; CHECK-NEXT: // kill: def $d0 killed $d0 def $q0 -; CHECK-NEXT: dup v0.2s, v0.s[0] -; CHECK-NEXT: ret +; CHECK-SD-LABEL: duplane0_v2i8: +; CHECK-SD: // %bb.0: // %entry +; CHECK-SD-NEXT: // kill: def $d0 killed $d0 def $q0 +; CHECK-SD-NEXT: dup v0.2s, v0.s[0] +; CHECK-SD-NEXT: ret +; +; CHECK-GI-LABEL: duplane0_v2i8: +; CHECK-GI: // %bb.0: // %entry +; CHECK-GI-NEXT: // kill: def $d0 killed $d0 def $q0 +; CHECK-GI-NEXT: mov w8, v0.s[1] +; CHECK-GI-NEXT: mov v0.b[1], w8 +; CHECK-GI-NEXT: dup v0.8b, v0.b[0] +; CHECK-GI-NEXT: umov w8, v0.b[0] +; CHECK-GI-NEXT: umov w9, v0.b[1] +; CHECK-GI-NEXT: fmov s0, w8 +; CHECK-GI-NEXT: mov v0.s[1], w9 +; CHECK-GI-NEXT: // kill: def $d0 killed $d0 killed $q0 +; CHECK-GI-NEXT: ret entry: %c = shufflevector <2 x i8> %b, <2 x i8> poison, <2 x i32> zeroinitializer ret <2 x i8> %c } define <2 x i8> @loaddup_v2i8(ptr %p) { -; CHECK-LABEL: loaddup_v2i8: -; CHECK: // %bb.0: // %entry -; CHECK-NEXT: ldr b0, [x0] -; CHECK-NEXT: dup v0.2s, v0.s[0] -; CHECK-NEXT: ret +; CHECK-SD-LABEL: loaddup_v2i8: +; CHECK-SD: // %bb.0: // %entry +; CHECK-SD-NEXT: ldr b0, [x0] +; CHECK-SD-NEXT: dup v0.2s, v0.s[0] +; CHECK-SD-NEXT: ret +; +; CHECK-GI-LABEL: loaddup_v2i8: +; CHECK-GI: // %bb.0: // %entry +; CHECK-GI-NEXT: ld1r { v0.8b }, [x0] +; CHECK-GI-NEXT: umov w8, v0.b[0] +; CHECK-GI-NEXT: umov w9, v0.b[1] +; CHECK-GI-NEXT: fmov s0, w8 +; CHECK-GI-NEXT: mov v0.s[1], w9 +; CHECK-GI-NEXT: // kill: def $d0 killed $d0 killed $q0 +; CHECK-GI-NEXT: ret entry: %a = load i8, ptr %p %b = insertelement <2 x i8> poison, i8 %a, i64 0 @@ -43,12 +71,24 @@ entry: } define <2 x i8> @loaddup_str_v2i8(ptr %p) { -; CHECK-LABEL: loaddup_str_v2i8: -; CHECK: // %bb.0: // %entry -; CHECK-NEXT: ldrb w8, [x0] -; CHECK-NEXT: strb wzr, [x0] -; CHECK-NEXT: dup v0.2s, w8 -; CHECK-NEXT: ret +; CHECK-SD-LABEL: loaddup_str_v2i8: +; CHECK-SD: // %bb.0: // %entry +; CHECK-SD-NEXT: ldrb w8, [x0] +; CHECK-SD-NEXT: strb wzr, [x0] +; CHECK-SD-NEXT: dup v0.2s, w8 +; CHECK-SD-NEXT: ret +; +; CHECK-GI-LABEL: loaddup_str_v2i8: +; CHECK-GI: // %bb.0: // %entry +; CHECK-GI-NEXT: ldr b0, [x0] +; CHECK-GI-NEXT: strb wzr, [x0] +; CHECK-GI-NEXT: dup v0.8b, v0.b[0] +; CHECK-GI-NEXT: umov w8, v0.b[0] +; CHECK-GI-NEXT: umov w9, v0.b[1] +; CHECK-GI-NEXT: fmov s0, w8 +; CHECK-GI-NEXT: mov v0.s[1], w9 +; CHECK-GI-NEXT: // kill: def $d0 killed $d0 killed $q0 +; CHECK-GI-NEXT: ret entry: %a = load i8, ptr %p %b = insertelement <2 x i8> poison, i8 %a, i64 0 |