; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py ; RUN: llc < %s -mtriple=aarch64-linux-gnu | FileCheck %s define i32 @func(i32 %x, i32 %y) nounwind { ; CHECK-LABEL: func: ; CHECK: // %bb.0: ; CHECK-NEXT: umull x8, w0, w1 ; CHECK-NEXT: lsr x9, x8, #32 ; CHECK-NEXT: extr w8, w9, w8, #2 ; CHECK-NEXT: cmp w9, #3 ; CHECK-NEXT: csinv w0, w8, wzr, ls ; CHECK-NEXT: ret %tmp = call i32 @llvm.umul.fix.sat.i32(i32 %x, i32 %y, i32 2) ret i32 %tmp } define i64 @func2(i64 %x, i64 %y) nounwind { ; CHECK-LABEL: func2: ; CHECK: // %bb.0: ; CHECK-NEXT: mul x8, x0, x1 ; CHECK-NEXT: umulh x9, x0, x1 ; CHECK-NEXT: extr x8, x9, x8, #2 ; CHECK-NEXT: cmp x9, #3 ; CHECK-NEXT: csinv x0, x8, xzr, ls ; CHECK-NEXT: ret %tmp = call i64 @llvm.umul.fix.sat.i64(i64 %x, i64 %y, i32 2) ret i64 %tmp } define i4 @func3(i4 %x, i4 %y) nounwind { ; CHECK-LABEL: func3: ; CHECK: // %bb.0: ; CHECK-NEXT: lsl w8, w0, #28 ; CHECK-NEXT: and w9, w1, #0xf ; CHECK-NEXT: umull x8, w8, w9 ; CHECK-NEXT: lsr x9, x8, #32 ; CHECK-NEXT: extr w8, w9, w8, #2 ; CHECK-NEXT: cmp w9, #3 ; CHECK-NEXT: csinv w8, w8, wzr, ls ; CHECK-NEXT: lsr w0, w8, #28 ; CHECK-NEXT: ret %tmp = call i4 @llvm.umul.fix.sat.i4(i4 %x, i4 %y, i32 2) ret i4 %tmp } ;; These result in regular integer multiplication with a saturation check. define i32 @func4(i32 %x, i32 %y) nounwind { ; CHECK-LABEL: func4: ; CHECK: // %bb.0: ; CHECK-NEXT: umull x8, w0, w1 ; CHECK-NEXT: tst x8, #0xffffffff00000000 ; CHECK-NEXT: csinv w0, w8, wzr, eq ; CHECK-NEXT: ret %tmp = call i32 @llvm.umul.fix.sat.i32(i32 %x, i32 %y, i32 0) ret i32 %tmp } define i64 @func5(i64 %x, i64 %y) { ; CHECK-LABEL: func5: ; CHECK: // %bb.0: ; CHECK-NEXT: umulh x8, x0, x1 ; CHECK-NEXT: mul x9, x0, x1 ; CHECK-NEXT: cmp xzr, x8 ; CHECK-NEXT: csinv x0, x9, xzr, eq ; CHECK-NEXT: ret %tmp = call i64 @llvm.umul.fix.sat.i64(i64 %x, i64 %y, i32 0) ret i64 %tmp } define i4 @func6(i4 %x, i4 %y) nounwind { ; CHECK-LABEL: func6: ; CHECK: // %bb.0: ; CHECK-NEXT: lsl w8, w0, #28 ; CHECK-NEXT: and w9, w1, #0xf ; CHECK-NEXT: umull x8, w8, w9 ; CHECK-NEXT: tst x8, #0xffffffff00000000 ; CHECK-NEXT: csinv w8, w8, wzr, eq ; CHECK-NEXT: lsr w0, w8, #28 ; CHECK-NEXT: ret %tmp = call i4 @llvm.umul.fix.sat.i4(i4 %x, i4 %y, i32 0) ret i4 %tmp } define <2 x i32> @vec(<2 x i32> %x, <2 x i32> %y) nounwind { ; CHECK-LABEL: vec: ; CHECK: // %bb.0: ; CHECK-NEXT: // kill: def $d1 killed $d1 def $q1 ; CHECK-NEXT: // kill: def $d0 killed $d0 def $q0 ; CHECK-NEXT: mov w8, v1.s[1] ; CHECK-NEXT: mov w9, v0.s[1] ; CHECK-NEXT: fmov w10, s0 ; CHECK-NEXT: umull x8, w9, w8 ; CHECK-NEXT: fmov w9, s1 ; CHECK-NEXT: umull x9, w10, w9 ; CHECK-NEXT: tst x8, #0xffffffff00000000 ; CHECK-NEXT: csinv w8, w8, wzr, eq ; CHECK-NEXT: tst x9, #0xffffffff00000000 ; CHECK-NEXT: csinv w9, w9, wzr, eq ; CHECK-NEXT: fmov s0, w9 ; CHECK-NEXT: mov v0.s[1], w8 ; CHECK-NEXT: // kill: def $d0 killed $d0 killed $q0 ; CHECK-NEXT: ret %tmp = call <2 x i32> @llvm.umul.fix.sat.v2i32(<2 x i32> %x, <2 x i32> %y, i32 0) ret <2 x i32> %tmp } define <4 x i32> @vec2(<4 x i32> %x, <4 x i32> %y) nounwind { ; CHECK-LABEL: vec2: ; CHECK: // %bb.0: ; CHECK-NEXT: mov w8, v1.s[1] ; CHECK-NEXT: mov w9, v0.s[1] ; CHECK-NEXT: fmov w10, s0 ; CHECK-NEXT: mov w11, v0.s[2] ; CHECK-NEXT: mov w13, v0.s[3] ; CHECK-NEXT: mov w12, v1.s[3] ; CHECK-NEXT: umull x8, w9, w8 ; CHECK-NEXT: fmov w9, s1 ; CHECK-NEXT: umull x9, w10, w9 ; CHECK-NEXT: tst x8, #0xffffffff00000000 ; CHECK-NEXT: mov w10, v1.s[2] ; CHECK-NEXT: csinv w8, w8, wzr, eq ; CHECK-NEXT: tst x9, #0xffffffff00000000 ; CHECK-NEXT: csinv w9, w9, wzr, eq ; CHECK-NEXT: fmov s0, w9 ; CHECK-NEXT: umull x9, w11, w10 ; CHECK-NEXT: mov v0.s[1], w8 ; CHECK-NEXT: tst x9, #0xffffffff00000000 ; CHECK-NEXT: csinv w8, w9, wzr, eq ; CHECK-NEXT: umull x9, w13, w12 ; CHECK-NEXT: mov v0.s[2], w8 ; CHECK-NEXT: tst x9, #0xffffffff00000000 ; CHECK-NEXT: csinv w8, w9, wzr, eq ; CHECK-NEXT: mov v0.s[3], w8 ; CHECK-NEXT: ret %tmp = call <4 x i32> @llvm.umul.fix.sat.v4i32(<4 x i32> %x, <4 x i32> %y, i32 0) ret <4 x i32> %tmp } define <4 x i64> @vec3(<4 x i64> %x, <4 x i64> %y) nounwind { ; CHECK-LABEL: vec3: ; CHECK: // %bb.0: ; CHECK-NEXT: mov x8, v2.d[1] ; CHECK-NEXT: mov x9, v0.d[1] ; CHECK-NEXT: mov x14, v3.d[1] ; CHECK-NEXT: mov x15, v1.d[1] ; CHECK-NEXT: fmov x10, d2 ; CHECK-NEXT: fmov x11, d0 ; CHECK-NEXT: mul x12, x11, x10 ; CHECK-NEXT: mul x13, x9, x8 ; CHECK-NEXT: umulh x8, x9, x8 ; CHECK-NEXT: umulh x9, x11, x10 ; CHECK-NEXT: mul x10, x15, x14 ; CHECK-NEXT: extr x13, x8, x13, #32 ; CHECK-NEXT: umulh x11, x15, x14 ; CHECK-NEXT: fmov x14, d3 ; CHECK-NEXT: fmov x15, d1 ; CHECK-NEXT: mul x16, x15, x14 ; CHECK-NEXT: umulh x14, x15, x14 ; CHECK-NEXT: mov w15, #-1 // =0xffffffff ; CHECK-NEXT: cmp x8, x15 ; CHECK-NEXT: extr x8, x9, x12, #32 ; CHECK-NEXT: csinv x12, x13, xzr, ls ; CHECK-NEXT: cmp x9, x15 ; CHECK-NEXT: extr x9, x11, x10, #32 ; CHECK-NEXT: csinv x8, x8, xzr, ls ; CHECK-NEXT: cmp x11, x15 ; CHECK-NEXT: csinv x9, x9, xzr, ls ; CHECK-NEXT: fmov d0, x8 ; CHECK-NEXT: extr x10, x14, x16, #32 ; CHECK-NEXT: cmp x14, x15 ; CHECK-NEXT: csinv x10, x10, xzr, ls ; CHECK-NEXT: mov v0.d[1], x12 ; CHECK-NEXT: fmov d1, x10 ; CHECK-NEXT: mov v1.d[1], x9 ; CHECK-NEXT: ret %tmp = call <4 x i64> @llvm.umul.fix.sat.v4i64(<4 x i64> %x, <4 x i64> %y, i32 32) ret <4 x i64> %tmp } define i64 @func7(i64 %x, i64 %y) nounwind { ; CHECK-LABEL: func7: ; CHECK: // %bb.0: ; CHECK-NEXT: mul x9, x0, x1 ; CHECK-NEXT: mov w8, #-1 // =0xffffffff ; CHECK-NEXT: umulh x10, x0, x1 ; CHECK-NEXT: extr x9, x10, x9, #32 ; CHECK-NEXT: cmp x10, x8 ; CHECK-NEXT: csinv x0, x9, xzr, ls ; CHECK-NEXT: ret %tmp = call i64 @llvm.umul.fix.sat.i64(i64 %x, i64 %y, i32 32) ret i64 %tmp } define i64 @func8(i64 %x, i64 %y) nounwind { ; CHECK-LABEL: func8: ; CHECK: // %bb.0: ; CHECK-NEXT: mul x9, x0, x1 ; CHECK-NEXT: mov x8, #9223372036854775807 // =0x7fffffffffffffff ; CHECK-NEXT: umulh x10, x0, x1 ; CHECK-NEXT: extr x9, x10, x9, #63 ; CHECK-NEXT: cmp x10, x8 ; CHECK-NEXT: csinv x0, x9, xzr, ls ; CHECK-NEXT: ret %tmp = call i64 @llvm.umul.fix.sat.i64(i64 %x, i64 %y, i32 63) ret i64 %tmp }