|  | ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 5 | 
|  | ; Test widening vector multiply-and-add on arch15. | 
|  | ; | 
|  | ; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=arch15 | FileCheck %s | 
|  |  | 
|  | ; Test a v2i64 (even) -> i128 unsigned widening multiply-and-add. | 
|  | define i128 @f1(<2 x i64> %val1, <2 x i64> %val2, i128 %val3) { | 
|  | ; CHECK-LABEL: f1: | 
|  | ; CHECK:       # %bb.0: | 
|  | ; CHECK-NEXT:    vl %v0, 0(%r3), 3 | 
|  | ; CHECK-NEXT:    vmaleg %v0, %v24, %v26, %v0 | 
|  | ; CHECK-NEXT:    vst %v0, 0(%r2), 3 | 
|  | ; CHECK-NEXT:    br %r14 | 
|  | %elt1 = extractelement <2 x i64> %val1, i32 0 | 
|  | %zext1 = zext i64 %elt1 to i128 | 
|  | %elt2 = extractelement <2 x i64> %val2, i32 0 | 
|  | %zext2 = zext i64 %elt2 to i128 | 
|  | %mul = mul i128 %zext1, %zext2 | 
|  | %ret = add i128 %mul, %val3 | 
|  | ret i128 %ret | 
|  | } | 
|  |  | 
|  | ; Test a v2i64 (odd) -> i128 unsigned widening multiply-and-add. | 
|  | define i128 @f2(<2 x i64> %val1, <2 x i64> %val2, i128 %val3) { | 
|  | ; CHECK-LABEL: f2: | 
|  | ; CHECK:       # %bb.0: | 
|  | ; CHECK-NEXT:    vl %v0, 0(%r3), 3 | 
|  | ; CHECK-NEXT:    vmalog %v0, %v24, %v26, %v0 | 
|  | ; CHECK-NEXT:    vst %v0, 0(%r2), 3 | 
|  | ; CHECK-NEXT:    br %r14 | 
|  | %elt1 = extractelement <2 x i64> %val1, i32 1 | 
|  | %zext1 = zext i64 %elt1 to i128 | 
|  | %elt2 = extractelement <2 x i64> %val2, i32 1 | 
|  | %zext2 = zext i64 %elt2 to i128 | 
|  | %mul = mul i128 %zext1, %zext2 | 
|  | %ret = add i128 %mul, %val3 | 
|  | ret i128 %ret | 
|  | } | 
|  |  | 
|  | ; Test a v2i64 (even) -> i128 signed widening multiply-and-add. | 
|  | define i128 @f3(<2 x i64> %val1, <2 x i64> %val2, i128 %val3) { | 
|  | ; CHECK-LABEL: f3: | 
|  | ; CHECK:       # %bb.0: | 
|  | ; CHECK-NEXT:    vl %v0, 0(%r3), 3 | 
|  | ; CHECK-NEXT:    vmaeg %v0, %v24, %v26, %v0 | 
|  | ; CHECK-NEXT:    vst %v0, 0(%r2), 3 | 
|  | ; CHECK-NEXT:    br %r14 | 
|  | %elt1 = extractelement <2 x i64> %val1, i32 0 | 
|  | %sext1 = sext i64 %elt1 to i128 | 
|  | %elt2 = extractelement <2 x i64> %val2, i32 0 | 
|  | %sext2 = sext i64 %elt2 to i128 | 
|  | %mul = mul i128 %sext1, %sext2 | 
|  | %ret = add i128 %mul, %val3 | 
|  | ret i128 %ret | 
|  | } | 
|  |  | 
|  | ; Test a v2i64 (odd) -> i128 signed widening multiply-and-add. | 
|  | define i128 @f4(<2 x i64> %val1, <2 x i64> %val2, i128 %val3) { | 
|  | ; CHECK-LABEL: f4: | 
|  | ; CHECK:       # %bb.0: | 
|  | ; CHECK-NEXT:    vl %v0, 0(%r3), 3 | 
|  | ; CHECK-NEXT:    vmaog %v0, %v24, %v26, %v0 | 
|  | ; CHECK-NEXT:    vst %v0, 0(%r2), 3 | 
|  | ; CHECK-NEXT:    br %r14 | 
|  | %elt1 = extractelement <2 x i64> %val1, i32 1 | 
|  | %sext1 = sext i64 %elt1 to i128 | 
|  | %elt2 = extractelement <2 x i64> %val2, i32 1 | 
|  | %sext2 = sext i64 %elt2 to i128 | 
|  | %mul = mul i128 %sext1, %sext2 | 
|  | %ret = add i128 %mul, %val3 | 
|  | ret i128 %ret | 
|  | } |