combine check prefixes

Author: tgymnich

llvm/test/CodeGen/AArch64/popcount.ll

@@ -1,21 +1,11 @@
 ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
 ; RUN: llc < %s -O0 -mtriple=aarch64-unknown-unknown | FileCheck %s
-; RUN: llc < %s -mtriple=aarch64-unknown-unknown -mattr=+neon | FileCheck %s --check-prefix=NEON
-; RUN: llc < %s -mtriple=aarch64-unknown-unknown -mattr=+neon,+dotprod | FileCheck %s --check-prefix=DOT
-; RUN: llc < %s -mtriple=aarch64-unknown-unknown -mattr=+sve | FileCheck %s --check-prefix=SVE
+; RUN: llc < %s -mtriple=aarch64-unknown-unknown -mattr=+neon | FileCheck %s --check-prefixes=CHECK,NEON
+; RUN: llc < %s -mtriple=aarch64-unknown-unknown -mattr=+neon,+dotprod | FileCheck %s --check-prefixes=CHECK,DOT
+; RUN: llc < %s -mtriple=aarch64-unknown-unknown -mattr=+sve | FileCheck %s --check-prefixes=CHECK,SVE
 
 ; Function Attrs: nobuiltin nounwind readonly
 define i8 @popcount128(ptr nocapture nonnull readonly %0) {
-; CHECK-LABEL: popcount128:
-; CHECK:       // %bb.0: // %Entry
-; CHECK-NEXT:    ldr q0, [x0]
-; CHECK-NEXT:    cnt v0.16b, v0.16b
-; CHECK-NEXT:    uaddlv h0, v0.16b
-; CHECK-NEXT:    // kill: def $q0 killed $h0
-; CHECK-NEXT:    // kill: def $s0 killed $s0 killed $q0
-; CHECK-NEXT:    fmov w0, s0
-; CHECK-NEXT:    ret
-;
 ; NEON-LABEL: popcount128:
 ; NEON:       // %bb.0: // %Entry
 ; NEON-NEXT:    ldr d0, [x0]
@@ -57,39 +47,6 @@ declare i128 @llvm.ctpop.i128(i128)
 
 ; Function Attrs: nobuiltin nounwind readonly
 define i16 @popcount256(ptr nocapture nonnull readonly %0) {
-; CHECK-LABEL: popcount256:
-; CHECK:       // %bb.0: // %Entry
-; CHECK-NEXT:    ldr x11, [x0]
-; CHECK-NEXT:    ldr x10, [x0, #8]
-; CHECK-NEXT:    ldr x9, [x0, #16]
-; CHECK-NEXT:    ldr x8, [x0, #24]
-; CHECK-NEXT:    // implicit-def: $q1
-; CHECK-NEXT:    mov v1.d[0], x11
-; CHECK-NEXT:    mov v1.d[1], x10
-; CHECK-NEXT:    // implicit-def: $q0
-; CHECK-NEXT:    mov v0.d[0], x9
-; CHECK-NEXT:    mov v0.d[1], x8
-; CHECK-NEXT:    cnt v1.16b, v1.16b
-; CHECK-NEXT:    uaddlv h1, v1.16b
-; CHECK-NEXT:    // kill: def $q1 killed $h1
-; CHECK-NEXT:    // kill: def $s1 killed $s1 killed $q1
-; CHECK-NEXT:    fmov w0, s1
-; CHECK-NEXT:    mov w10, wzr
-; CHECK-NEXT:    mov w9, w0
-; CHECK-NEXT:    mov w8, w10
-; CHECK-NEXT:    bfi x9, x8, #32, #32
-; CHECK-NEXT:    cnt v0.16b, v0.16b
-; CHECK-NEXT:    uaddlv h0, v0.16b
-; CHECK-NEXT:    // kill: def $q0 killed $h0
-; CHECK-NEXT:    // kill: def $s0 killed $s0 killed $q0
-; CHECK-NEXT:    fmov w0, s0
-; CHECK-NEXT:    mov w8, w0
-; CHECK-NEXT:    // kill: def $x10 killed $w10
-; CHECK-NEXT:    bfi x8, x10, #32, #32
-; CHECK-NEXT:    adds x8, x8, x9
-; CHECK-NEXT:    mov w0, w8
-; CHECK-NEXT:    ret
-;
 ; NEON-LABEL: popcount256:
 ; NEON:       // %bb.0: // %Entry
 ; NEON-NEXT:    ldr d0, [x0, #16]
@@ -151,23 +108,6 @@ Entry:
 declare i256 @llvm.ctpop.i256(i256)
 
 define <1 x i128> @popcount1x128(<1 x i128> %0) {
-; CHECK-LABEL: popcount1x128:
-; CHECK:       // %bb.0: // %Entry
-; CHECK-NEXT:    // implicit-def: $q0
-; CHECK-NEXT:    mov v0.d[0], x0
-; CHECK-NEXT:    mov v0.d[1], x1
-; CHECK-NEXT:    cnt v0.16b, v0.16b
-; CHECK-NEXT:    uaddlv h0, v0.16b
-; CHECK-NEXT:    // kill: def $q0 killed $h0
-; CHECK-NEXT:    mov x1, xzr
-; CHECK-NEXT:    // kill: def $s0 killed $s0 killed $q0
-; CHECK-NEXT:    fmov w0, s0
-; CHECK-NEXT:    mov w8, wzr
-; CHECK-NEXT:    // kill: def $x0 killed $w0
-; CHECK-NEXT:    // kill: def $x8 killed $w8
-; CHECK-NEXT:    bfi x0, x8, #32, #32
-; CHECK-NEXT:    ret
-;
 ; NEON-LABEL: popcount1x128:
 ; NEON:       // %bb.0: // %Entry
 ; NEON-NEXT:    fmov d1, x0
@@ -211,14 +151,6 @@ Entry:
 declare <1 x i128> @llvm.ctpop.v1.i128(<1 x i128>)
 
 define <2 x i64> @popcount2x64(<2 x i64> %0) {
-; CHECK-LABEL: popcount2x64:
-; CHECK:       // %bb.0: // %Entry
-; CHECK-NEXT:    cnt v0.16b, v0.16b
-; CHECK-NEXT:    uaddlp v0.8h, v0.16b
-; CHECK-NEXT:    uaddlp v0.4s, v0.8h
-; CHECK-NEXT:    uaddlp v0.2d, v0.4s
-; CHECK-NEXT:    ret
-;
 ; NEON-LABEL: popcount2x64:
 ; NEON:       // %bb.0: // %Entry
 ; NEON-NEXT:    cnt v0.16b, v0.16b
@@ -251,13 +183,6 @@ Entry:
 declare <2 x i64> @llvm.ctpop.v2.i64(<2 x i64>)
 
 define <4 x i32> @popcount4x32(<4 x i32> %0) {
-; CHECK-LABEL: popcount4x32:
-; CHECK:       // %bb.0: // %Entry
-; CHECK-NEXT:    cnt v0.16b, v0.16b
-; CHECK-NEXT:    uaddlp v0.8h, v0.16b
-; CHECK-NEXT:    uaddlp v0.4s, v0.8h
-; CHECK-NEXT:    ret
-;
 ; NEON-LABEL: popcount4x32:
 ; NEON:       // %bb.0: // %Entry
 ; NEON-NEXT:    cnt v0.16b, v0.16b
@@ -287,13 +212,6 @@ Entry:
 declare <4 x i32> @llvm.ctpop.v4.i32(<4 x i32>)
 
 define <2 x i32> @popcount2x32(<2 x i32> %0) {
-; CHECK-LABEL: popcount2x32:
-; CHECK:       // %bb.0: // %Entry
-; CHECK-NEXT:    cnt v0.8b, v0.8b
-; CHECK-NEXT:    uaddlp v0.4h, v0.8b
-; CHECK-NEXT:    uaddlp v0.2s, v0.4h
-; CHECK-NEXT:    ret
-;
 ; NEON-LABEL: popcount2x32:
 ; NEON:       // %bb.0: // %Entry
 ; NEON-NEXT:    cnt v0.8b, v0.8b
@@ -329,24 +247,6 @@ define <8 x i16> @popcount8x16(<8 x i16> %0) {
 ; CHECK-NEXT:    cnt v0.16b, v0.16b
 ; CHECK-NEXT:    uaddlp v0.8h, v0.16b
 ; CHECK-NEXT:    ret
-;
-; NEON-LABEL: popcount8x16:
-; NEON:       // %bb.0: // %Entry
-; NEON-NEXT:    cnt v0.16b, v0.16b
-; NEON-NEXT:    uaddlp v0.8h, v0.16b
-; NEON-NEXT:    ret
-;
-; DOT-LABEL: popcount8x16:
-; DOT:       // %bb.0: // %Entry
-; DOT-NEXT:    cnt v0.16b, v0.16b
-; DOT-NEXT:    uaddlp v0.8h, v0.16b
-; DOT-NEXT:    ret
-;
-; SVE-LABEL: popcount8x16:
-; SVE:       // %bb.0: // %Entry
-; SVE-NEXT:    cnt v0.16b, v0.16b
-; SVE-NEXT:    uaddlp v0.8h, v0.16b
-; SVE-NEXT:    ret
 Entry:
   %1 = tail call <8 x i16> @llvm.ctpop.v8.i16(<8 x i16> %0)
   ret <8 x i16> %1
@@ -360,24 +260,6 @@ define <4 x i16> @popcount4x16(<4 x i16> %0) {
 ; CHECK-NEXT:    cnt v0.8b, v0.8b
 ; CHECK-NEXT:    uaddlp v0.4h, v0.8b
 ; CHECK-NEXT:    ret
-;
-; NEON-LABEL: popcount4x16:
-; NEON:       // %bb.0: // %Entry
-; NEON-NEXT:    cnt v0.8b, v0.8b
-; NEON-NEXT:    uaddlp v0.4h, v0.8b
-; NEON-NEXT:    ret
-;
-; DOT-LABEL: popcount4x16:
-; DOT:       // %bb.0: // %Entry
-; DOT-NEXT:    cnt v0.8b, v0.8b
-; DOT-NEXT:    uaddlp v0.4h, v0.8b
-; DOT-NEXT:    ret
-;
-; SVE-LABEL: popcount4x16:
-; SVE:       // %bb.0: // %Entry
-; SVE-NEXT:    cnt v0.8b, v0.8b
-; SVE-NEXT:    uaddlp v0.4h, v0.8b
-; SVE-NEXT:    ret
 Entry:
   %1 = tail call <4 x i16> @llvm.ctpop.v4.i16(<4 x i16> %0)
   ret <4 x i16> %1