diff --git a/llvm/test/CodeGen/AArch64/min-max.ll b/llvm/test/CodeGen/AArch64/min-max.ll new file mode 100644 --- /dev/null +++ b/llvm/test/CodeGen/AArch64/min-max.ll @@ -0,0 +1,545 @@ +; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py +; RUN: llc -mtriple=aarch64-eabi %s -o - | FileCheck %s + +; These tests just check that the plumbing is in place for @llvm.smax, @llvm.umax, +; @llvm.smin, @llvm.umin. + +declare i8 @llvm.smax.i8(i8 %a, i8 %b) readnone + +define i8 @smaxi8(i8 %a, i8 %b) { +; CHECK-LABEL: smaxi8: +; CHECK: // %bb.0: +; CHECK-NEXT: sxtb w8, w1 +; CHECK-NEXT: sxtb w9, w0 +; CHECK-NEXT: cmp w9, w8 +; CHECK-NEXT: csel w0, w9, w8, gt +; CHECK-NEXT: ret + %c = call i8 @llvm.smax.i8(i8 %a, i8 %b) + ret i8 %c +} + +declare i16 @llvm.smax.i16(i16 %a, i16 %b) readnone + +define i16 @smaxi16(i16 %a, i16 %b) { +; CHECK-LABEL: smaxi16: +; CHECK: // %bb.0: +; CHECK-NEXT: sxth w8, w1 +; CHECK-NEXT: sxth w9, w0 +; CHECK-NEXT: cmp w9, w8 +; CHECK-NEXT: csel w0, w9, w8, gt +; CHECK-NEXT: ret + %c = call i16 @llvm.smax.i16(i16 %a, i16 %b) + ret i16 %c +} + +declare i32 @llvm.smax.i32(i32 %a, i32 %b) readnone + +define i32 @smaxi32(i32 %a, i32 %b) { +; CHECK-LABEL: smaxi32: +; CHECK: // %bb.0: +; CHECK-NEXT: cmp w0, w1 +; CHECK-NEXT: csel w0, w0, w1, gt +; CHECK-NEXT: ret + %c = call i32 @llvm.smax.i32(i32 %a, i32 %b) + ret i32 %c +} + +declare i64 @llvm.smax.i64(i64 %a, i64 %b) readnone + +define i64 @smaxi64(i64 %a, i64 %b) { +; CHECK-LABEL: smaxi64: +; CHECK: // %bb.0: +; CHECK-NEXT: cmp x0, x1 +; CHECK-NEXT: csel x0, x0, x1, gt +; CHECK-NEXT: ret + %c = call i64 @llvm.smax.i64(i64 %a, i64 %b) + ret i64 %c +} + +declare <8 x i8> @llvm.smax.v8i8(<8 x i8> %a, <8 x i8> %b) readnone + +define <8 x i8> @smax8i8(<8 x i8> %a, <8 x i8> %b) { +; CHECK-LABEL: smax8i8: +; CHECK: // %bb.0: +; CHECK-NEXT: smax v0.8b, v0.8b, v1.8b +; CHECK-NEXT: ret + %c = call <8 x i8> @llvm.smax.v8i8(<8 x i8> %a, <8 x i8> %b) + ret <8 x i8> %c +} + +declare <16 x i8> @llvm.smax.v16i8(<16 x i8> %a, <16 x i8> %b) readnone + +define <16 x i8> @smax16i8(<16 x i8> %a, <16 x i8> %b) { +; CHECK-LABEL: smax16i8: +; CHECK: // %bb.0: +; CHECK-NEXT: smax v0.16b, v0.16b, v1.16b +; CHECK-NEXT: ret + %c = call <16 x i8> @llvm.smax.v16i8(<16 x i8> %a, <16 x i8> %b) + ret <16 x i8> %c +} + +declare <4 x i16> @llvm.smax.v4i16(<4 x i16> %a, <4 x i16> %b) readnone + +define <4 x i16> @smax4i16(<4 x i16> %a, <4 x i16> %b) { +; CHECK-LABEL: smax4i16: +; CHECK: // %bb.0: +; CHECK-NEXT: smax v0.4h, v0.4h, v1.4h +; CHECK-NEXT: ret + %c = call <4 x i16> @llvm.smax.v4i16(<4 x i16> %a, <4 x i16> %b) + ret <4 x i16> %c +} + +declare <8 x i16> @llvm.smax.v8i16(<8 x i16> %a, <8 x i16> %b) readnone + +define <8 x i16> @smax8i16(<8 x i16> %a, <8 x i16> %b) { +; CHECK-LABEL: smax8i16: +; CHECK: // %bb.0: +; CHECK-NEXT: smax v0.8h, v0.8h, v1.8h +; CHECK-NEXT: ret + %c = call <8 x i16> @llvm.smax.v8i16(<8 x i16> %a, <8 x i16> %b) + ret <8 x i16> %c +} + +declare <2 x i32> @llvm.smax.v2i32(<2 x i32> %a, <2 x i32> %b) readnone + +define <2 x i32> @smax2i32(<2 x i32> %a, <2 x i32> %b) { +; CHECK-LABEL: smax2i32: +; CHECK: // %bb.0: +; CHECK-NEXT: smax v0.2s, v0.2s, v1.2s +; CHECK-NEXT: ret + %c = call <2 x i32> @llvm.smax.v2i32(<2 x i32> %a, <2 x i32> %b) + ret <2 x i32> %c +} + +declare <4 x i32> @llvm.smax.v4i32(<4 x i32> %a, <4 x i32> %b) readnone + +define <4 x i32> @smax4i32(<4 x i32> %a, <4 x i32> %b) { +; CHECK-LABEL: smax4i32: +; CHECK: // %bb.0: +; CHECK-NEXT: smax v0.4s, v0.4s, v1.4s +; CHECK-NEXT: ret + %c = call <4 x i32> @llvm.smax.v4i32(<4 x i32> %a, <4 x i32> %b) + ret <4 x i32> %c +} + +declare <1 x i64> @llvm.smax.v1i64(<1 x i64> %a, <1 x i64> %b) readnone + +define <1 x i64> @smax1i64(<1 x i64> %a, <1 x i64> %b) { +; CHECK-LABEL: smax1i64: +; CHECK: // %bb.0: +; CHECK-NEXT: // kill: def $d1 killed $d1 def $q1 +; CHECK-NEXT: // kill: def $d0 killed $d0 def $q0 +; CHECK-NEXT: fmov x8, d1 +; CHECK-NEXT: fmov x9, d0 +; CHECK-NEXT: cmp x9, x8 +; CHECK-NEXT: csel x8, x9, x8, gt +; CHECK-NEXT: fmov d0, x8 +; CHECK-NEXT: ret + %c = call <1 x i64> @llvm.smax.v1i64(<1 x i64> %a, <1 x i64> %b) + ret <1 x i64> %c +} + +declare i8 @llvm.umax.i8(i8 %a, i8 %b) readnone + +define i8 @umaxi8(i8 %a, i8 %b) { +; CHECK-LABEL: umaxi8: +; CHECK: // %bb.0: +; CHECK-NEXT: and w8, w1, #0xff +; CHECK-NEXT: and w9, w0, #0xff +; CHECK-NEXT: cmp w9, w8 +; CHECK-NEXT: csel w0, w9, w8, hi +; CHECK-NEXT: ret + %c = call i8 @llvm.umax.i8(i8 %a, i8 %b) + ret i8 %c +} + +declare i16 @llvm.umax.i16(i16 %a, i16 %b) readnone + +define i16 @umaxi16(i16 %a, i16 %b) { +; CHECK-LABEL: umaxi16: +; CHECK: // %bb.0: +; CHECK-NEXT: and w8, w1, #0xffff +; CHECK-NEXT: and w9, w0, #0xffff +; CHECK-NEXT: cmp w9, w8 +; CHECK-NEXT: csel w0, w9, w8, hi +; CHECK-NEXT: ret + %c = call i16 @llvm.umax.i16(i16 %a, i16 %b) + ret i16 %c +} + +declare i32 @llvm.umax.i32(i32 %a, i32 %b) readnone + +define i32 @umaxi32(i32 %a, i32 %b) { +; CHECK-LABEL: umaxi32: +; CHECK: // %bb.0: +; CHECK-NEXT: cmp w0, w1 +; CHECK-NEXT: csel w0, w0, w1, hi +; CHECK-NEXT: ret + %c = call i32 @llvm.umax.i32(i32 %a, i32 %b) + ret i32 %c +} + +declare i64 @llvm.umax.i64(i64 %a, i64 %b) readnone + +define i64 @umaxi64(i64 %a, i64 %b) { +; CHECK-LABEL: umaxi64: +; CHECK: // %bb.0: +; CHECK-NEXT: cmp x0, x1 +; CHECK-NEXT: csel x0, x0, x1, hi +; CHECK-NEXT: ret + %c = call i64 @llvm.umax.i64(i64 %a, i64 %b) + ret i64 %c +} + +declare <8 x i8> @llvm.umax.v8i8(<8 x i8> %a, <8 x i8> %b) readnone + +define <8 x i8> @umax8i8(<8 x i8> %a, <8 x i8> %b) { +; CHECK-LABEL: umax8i8: +; CHECK: // %bb.0: +; CHECK-NEXT: umax v0.8b, v0.8b, v1.8b +; CHECK-NEXT: ret + %c = call <8 x i8> @llvm.umax.v8i8(<8 x i8> %a, <8 x i8> %b) + ret <8 x i8> %c +} + +declare <16 x i8> @llvm.umax.v16i8(<16 x i8> %a, <16 x i8> %b) readnone + +define <16 x i8> @umax16i8(<16 x i8> %a, <16 x i8> %b) { +; CHECK-LABEL: umax16i8: +; CHECK: // %bb.0: +; CHECK-NEXT: umax v0.16b, v0.16b, v1.16b +; CHECK-NEXT: ret + %c = call <16 x i8> @llvm.umax.v16i8(<16 x i8> %a, <16 x i8> %b) + ret <16 x i8> %c +} + +declare <4 x i16> @llvm.umax.v4i16(<4 x i16> %a, <4 x i16> %b) readnone + +define <4 x i16> @umax4i16(<4 x i16> %a, <4 x i16> %b) { +; CHECK-LABEL: umax4i16: +; CHECK: // %bb.0: +; CHECK-NEXT: umax v0.4h, v0.4h, v1.4h +; CHECK-NEXT: ret + %c = call <4 x i16> @llvm.umax.v4i16(<4 x i16> %a, <4 x i16> %b) + ret <4 x i16> %c +} + +declare <8 x i16> @llvm.umax.v8i16(<8 x i16> %a, <8 x i16> %b) readnone + +define <8 x i16> @umax8i16(<8 x i16> %a, <8 x i16> %b) { +; CHECK-LABEL: umax8i16: +; CHECK: // %bb.0: +; CHECK-NEXT: umax v0.8h, v0.8h, v1.8h +; CHECK-NEXT: ret + %c = call <8 x i16> @llvm.umax.v8i16(<8 x i16> %a, <8 x i16> %b) + ret <8 x i16> %c +} + +declare <2 x i32> @llvm.umax.v2i32(<2 x i32> %a, <2 x i32> %b) readnone + +define <2 x i32> @umax2i32(<2 x i32> %a, <2 x i32> %b) { +; CHECK-LABEL: umax2i32: +; CHECK: // %bb.0: +; CHECK-NEXT: umax v0.2s, v0.2s, v1.2s +; CHECK-NEXT: ret + %c = call <2 x i32> @llvm.umax.v2i32(<2 x i32> %a, <2 x i32> %b) + ret <2 x i32> %c +} + +declare <4 x i32> @llvm.umax.v4i32(<4 x i32> %a, <4 x i32> %b) readnone + +define <4 x i32> @umax4i32(<4 x i32> %a, <4 x i32> %b) { +; CHECK-LABEL: umax4i32: +; CHECK: // %bb.0: +; CHECK-NEXT: umax v0.4s, v0.4s, v1.4s +; CHECK-NEXT: ret + %c = call <4 x i32> @llvm.umax.v4i32(<4 x i32> %a, <4 x i32> %b) + ret <4 x i32> %c +} + +declare <1 x i64> @llvm.umax.v1i64(<1 x i64> %a, <1 x i64> %b) readnone + +define <1 x i64> @umax1i64(<1 x i64> %a, <1 x i64> %b) { +; CHECK-LABEL: umax1i64: +; CHECK: // %bb.0: +; CHECK-NEXT: // kill: def $d1 killed $d1 def $q1 +; CHECK-NEXT: // kill: def $d0 killed $d0 def $q0 +; CHECK-NEXT: fmov x8, d1 +; CHECK-NEXT: fmov x9, d0 +; CHECK-NEXT: cmp x9, x8 +; CHECK-NEXT: csel x8, x9, x8, hi +; CHECK-NEXT: fmov d0, x8 +; CHECK-NEXT: ret + %c = call <1 x i64> @llvm.umax.v1i64(<1 x i64> %a, <1 x i64> %b) + ret <1 x i64> %c +} + +declare i8 @llvm.smin.i8(i8 %a, i8 %b) readnone + +define i8 @smini8(i8 %a, i8 %b) { +; CHECK-LABEL: smini8: +; CHECK: // %bb.0: +; CHECK-NEXT: sxtb w8, w1 +; CHECK-NEXT: sxtb w9, w0 +; CHECK-NEXT: cmp w9, w8 +; CHECK-NEXT: csel w0, w9, w8, lt +; CHECK-NEXT: ret + %c = call i8 @llvm.smin.i8(i8 %a, i8 %b) + ret i8 %c +} + +declare i16 @llvm.smin.i16(i16 %a, i16 %b) readnone + +define i16 @smini16(i16 %a, i16 %b) { +; CHECK-LABEL: smini16: +; CHECK: // %bb.0: +; CHECK-NEXT: sxth w8, w1 +; CHECK-NEXT: sxth w9, w0 +; CHECK-NEXT: cmp w9, w8 +; CHECK-NEXT: csel w0, w9, w8, lt +; CHECK-NEXT: ret + %c = call i16 @llvm.smin.i16(i16 %a, i16 %b) + ret i16 %c +} + +declare i32 @llvm.smin.i32(i32 %a, i32 %b) readnone + +define i32 @smini32(i32 %a, i32 %b) { +; CHECK-LABEL: smini32: +; CHECK: // %bb.0: +; CHECK-NEXT: cmp w0, w1 +; CHECK-NEXT: csel w0, w0, w1, lt +; CHECK-NEXT: ret + %c = call i32 @llvm.smin.i32(i32 %a, i32 %b) + ret i32 %c +} + +declare i64 @llvm.smin.i64(i64 %a, i64 %b) readnone + +define i64 @smini64(i64 %a, i64 %b) { +; CHECK-LABEL: smini64: +; CHECK: // %bb.0: +; CHECK-NEXT: cmp x0, x1 +; CHECK-NEXT: csel x0, x0, x1, lt +; CHECK-NEXT: ret + %c = call i64 @llvm.smin.i64(i64 %a, i64 %b) + ret i64 %c +} + +declare <8 x i8> @llvm.smin.v8i8(<8 x i8> %a, <8 x i8> %b) readnone + +define <8 x i8> @smin8i8(<8 x i8> %a, <8 x i8> %b) { +; CHECK-LABEL: smin8i8: +; CHECK: // %bb.0: +; CHECK-NEXT: smin v0.8b, v0.8b, v1.8b +; CHECK-NEXT: ret + %c = call <8 x i8> @llvm.smin.v8i8(<8 x i8> %a, <8 x i8> %b) + ret <8 x i8> %c +} + +declare <16 x i8> @llvm.smin.v16i8(<16 x i8> %a, <16 x i8> %b) readnone + +define <16 x i8> @smin16i8(<16 x i8> %a, <16 x i8> %b) { +; CHECK-LABEL: smin16i8: +; CHECK: // %bb.0: +; CHECK-NEXT: smin v0.16b, v0.16b, v1.16b +; CHECK-NEXT: ret + %c = call <16 x i8> @llvm.smin.v16i8(<16 x i8> %a, <16 x i8> %b) + ret <16 x i8> %c +} + +declare <4 x i16> @llvm.smin.v4i16(<4 x i16> %a, <4 x i16> %b) readnone + +define <4 x i16> @smin4i16(<4 x i16> %a, <4 x i16> %b) { +; CHECK-LABEL: smin4i16: +; CHECK: // %bb.0: +; CHECK-NEXT: smin v0.4h, v0.4h, v1.4h +; CHECK-NEXT: ret + %c = call <4 x i16> @llvm.smin.v4i16(<4 x i16> %a, <4 x i16> %b) + ret <4 x i16> %c +} + +declare <8 x i16> @llvm.smin.v8i16(<8 x i16> %a, <8 x i16> %b) readnone + +define <8 x i16> @smin8i16(<8 x i16> %a, <8 x i16> %b) { +; CHECK-LABEL: smin8i16: +; CHECK: // %bb.0: +; CHECK-NEXT: smin v0.8h, v0.8h, v1.8h +; CHECK-NEXT: ret + %c = call <8 x i16> @llvm.smin.v8i16(<8 x i16> %a, <8 x i16> %b) + ret <8 x i16> %c +} + +declare <2 x i32> @llvm.smin.v2i32(<2 x i32> %a, <2 x i32> %b) readnone + +define <2 x i32> @smin2i32(<2 x i32> %a, <2 x i32> %b) { +; CHECK-LABEL: smin2i32: +; CHECK: // %bb.0: +; CHECK-NEXT: smin v0.2s, v0.2s, v1.2s +; CHECK-NEXT: ret + %c = call <2 x i32> @llvm.smin.v2i32(<2 x i32> %a, <2 x i32> %b) + ret <2 x i32> %c +} + +declare <4 x i32> @llvm.smin.v4i32(<4 x i32> %a, <4 x i32> %b) readnone + +define <4 x i32> @smin4i32(<4 x i32> %a, <4 x i32> %b) { +; CHECK-LABEL: smin4i32: +; CHECK: // %bb.0: +; CHECK-NEXT: smin v0.4s, v0.4s, v1.4s +; CHECK-NEXT: ret + %c = call <4 x i32> @llvm.smin.v4i32(<4 x i32> %a, <4 x i32> %b) + ret <4 x i32> %c +} + +declare <1 x i64> @llvm.smin.v1i64(<1 x i64> %a, <1 x i64> %b) readnone + +define <1 x i64> @smin1i64(<1 x i64> %a, <1 x i64> %b) { +; CHECK-LABEL: smin1i64: +; CHECK: // %bb.0: +; CHECK-NEXT: // kill: def $d1 killed $d1 def $q1 +; CHECK-NEXT: // kill: def $d0 killed $d0 def $q0 +; CHECK-NEXT: fmov x8, d1 +; CHECK-NEXT: fmov x9, d0 +; CHECK-NEXT: cmp x9, x8 +; CHECK-NEXT: csel x8, x9, x8, lt +; CHECK-NEXT: fmov d0, x8 +; CHECK-NEXT: ret + %c = call <1 x i64> @llvm.smin.v1i64(<1 x i64> %a, <1 x i64> %b) + ret <1 x i64> %c +} + +declare i8 @llvm.umin.i8(i8 %a, i8 %b) readnone + +define i8 @umini8(i8 %a, i8 %b) { +; CHECK-LABEL: umini8: +; CHECK: // %bb.0: +; CHECK-NEXT: and w8, w1, #0xff +; CHECK-NEXT: and w9, w0, #0xff +; CHECK-NEXT: cmp w9, w8 +; CHECK-NEXT: csel w0, w9, w8, lo +; CHECK-NEXT: ret + %c = call i8 @llvm.umin.i8(i8 %a, i8 %b) + ret i8 %c +} + +declare i16 @llvm.umin.i16(i16 %a, i16 %b) readnone + +define i16 @umini16(i16 %a, i16 %b) { +; CHECK-LABEL: umini16: +; CHECK: // %bb.0: +; CHECK-NEXT: and w8, w1, #0xffff +; CHECK-NEXT: and w9, w0, #0xffff +; CHECK-NEXT: cmp w9, w8 +; CHECK-NEXT: csel w0, w9, w8, lo +; CHECK-NEXT: ret + %c = call i16 @llvm.umin.i16(i16 %a, i16 %b) + ret i16 %c +} + +declare i32 @llvm.umin.i32(i32 %a, i32 %b) readnone + +define i32 @umini32(i32 %a, i32 %b) { +; CHECK-LABEL: umini32: +; CHECK: // %bb.0: +; CHECK-NEXT: cmp w0, w1 +; CHECK-NEXT: csel w0, w0, w1, lo +; CHECK-NEXT: ret + %c = call i32 @llvm.umin.i32(i32 %a, i32 %b) + ret i32 %c +} + +declare i64 @llvm.umin.i64(i64 %a, i64 %b) readnone + +define i64 @umini64(i64 %a, i64 %b) { +; CHECK-LABEL: umini64: +; CHECK: // %bb.0: +; CHECK-NEXT: cmp x0, x1 +; CHECK-NEXT: csel x0, x0, x1, lo +; CHECK-NEXT: ret + %c = call i64 @llvm.umin.i64(i64 %a, i64 %b) + ret i64 %c +} + +declare <8 x i8> @llvm.umin.v8i8(<8 x i8> %a, <8 x i8> %b) readnone + +define <8 x i8> @umin8i8(<8 x i8> %a, <8 x i8> %b) { +; CHECK-LABEL: umin8i8: +; CHECK: // %bb.0: +; CHECK-NEXT: umin v0.8b, v0.8b, v1.8b +; CHECK-NEXT: ret + %c = call <8 x i8> @llvm.umin.v8i8(<8 x i8> %a, <8 x i8> %b) + ret <8 x i8> %c +} + +declare <16 x i8> @llvm.umin.v16i8(<16 x i8> %a, <16 x i8> %b) readnone + +define <16 x i8> @umin16i8(<16 x i8> %a, <16 x i8> %b) { +; CHECK-LABEL: umin16i8: +; CHECK: // %bb.0: +; CHECK-NEXT: umin v0.16b, v0.16b, v1.16b +; CHECK-NEXT: ret + %c = call <16 x i8> @llvm.umin.v16i8(<16 x i8> %a, <16 x i8> %b) + ret <16 x i8> %c +} + +declare <4 x i16> @llvm.umin.v4i16(<4 x i16> %a, <4 x i16> %b) readnone + +define <4 x i16> @umin4i16(<4 x i16> %a, <4 x i16> %b) { +; CHECK-LABEL: umin4i16: +; CHECK: // %bb.0: +; CHECK-NEXT: umin v0.4h, v0.4h, v1.4h +; CHECK-NEXT: ret + %c = call <4 x i16> @llvm.umin.v4i16(<4 x i16> %a, <4 x i16> %b) + ret <4 x i16> %c +} + +declare <8 x i16> @llvm.umin.v8i16(<8 x i16> %a, <8 x i16> %b) readnone + +define <8 x i16> @umin8i16(<8 x i16> %a, <8 x i16> %b) { +; CHECK-LABEL: umin8i16: +; CHECK: // %bb.0: +; CHECK-NEXT: umin v0.8h, v0.8h, v1.8h +; CHECK-NEXT: ret + %c = call <8 x i16> @llvm.umin.v8i16(<8 x i16> %a, <8 x i16> %b) + ret <8 x i16> %c +} + +declare <2 x i32> @llvm.umin.v2i32(<2 x i32> %a, <2 x i32> %b) readnone + +define <2 x i32> @umin2i32(<2 x i32> %a, <2 x i32> %b) { +; CHECK-LABEL: umin2i32: +; CHECK: // %bb.0: +; CHECK-NEXT: umin v0.2s, v0.2s, v1.2s +; CHECK-NEXT: ret + %c = call <2 x i32> @llvm.umin.v2i32(<2 x i32> %a, <2 x i32> %b) + ret <2 x i32> %c +} + +declare <4 x i32> @llvm.umin.v4i32(<4 x i32> %a, <4 x i32> %b) readnone + +define <4 x i32> @umin4i32(<4 x i32> %a, <4 x i32> %b) { +; CHECK-LABEL: umin4i32: +; CHECK: // %bb.0: +; CHECK-NEXT: umin v0.4s, v0.4s, v1.4s +; CHECK-NEXT: ret + %c = call <4 x i32> @llvm.umin.v4i32(<4 x i32> %a, <4 x i32> %b) + ret <4 x i32> %c +} + +declare <1 x i64> @llvm.umin.v1i64(<1 x i64> %a, <1 x i64> %b) readnone + +define <1 x i64> @umin1i64(<1 x i64> %a, <1 x i64> %b) { +; CHECK-LABEL: umin1i64: +; CHECK: // %bb.0: +; CHECK-NEXT: // kill: def $d1 killed $d1 def $q1 +; CHECK-NEXT: // kill: def $d0 killed $d0 def $q0 +; CHECK-NEXT: fmov x8, d1 +; CHECK-NEXT: fmov x9, d0 +; CHECK-NEXT: cmp x9, x8 +; CHECK-NEXT: csel x8, x9, x8, lo +; CHECK-NEXT: fmov d0, x8 +; CHECK-NEXT: ret + %c = call <1 x i64> @llvm.umin.v1i64(<1 x i64> %a, <1 x i64> %b) + ret <1 x i64> %c +}