Add test case for pr31890. NFC

llvm-svn: 294455

1 files changed, 58 insertions, 0 deletions

diff --git a/llvm/test/CodeGen/PowerPC/addegluechash.ll b/llvm/test/CodeGen/PowerPC/addegluechash.ll
new file mode 100644
index 00000000000..7605340d305
--- /dev/null
+++ b/llvm/test/CodeGen/PowerPC/addegluechash.ll
@@ -0,0 +1,58 @@
+; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
+; RUN: llc -O0 < %s | FileCheck %s
+target datalayout = "e-m:e-i64:64-n32:64"
+target triple = "powerpc64le-unknown-linux-gnu"
+
+define void @bn_mul_comba8(i64* nocapture %r, i64* nocapture readonly %a, i64* nocapture readonly %b) {
+; CHECK-LABEL: bn_mul_comba8:
+; CHECK:       # BB#0:
+; CHECK-NEXT:    ld 6, 0(4)
+; CHECK-NEXT:    ld 7, 0(5)
+; CHECK-NEXT:    mulhdu 8, 7, 6
+; CHECK-NEXT:    ld 4, 8(4)
+; CHECK-NEXT:    mulld 9, 4, 6
+; CHECK-NEXT:    mulhdu 4, 4, 6
+; CHECK-NEXT:    addc 6, 9, 8
+; CHECK-NEXT:    addze 4, 4
+; CHECK-NEXT:    ld 5, 8(5)
+; CHECK-NEXT:    mulld 8, 5, 7
+; CHECK-NEXT:    mulhdu 5, 5, 7
+; CHECK-NEXT:    addc 6, 6, 8
+; CHECK-NEXT:    addze 5, 5
+; CHECK-NEXT:    add 4, 5, 4
+; CHECK-NEXT:    cmpld 7, 4, 5
+; CHECK-NEXT:    mfocrf 10, 1
+; CHECK-NEXT:    rlwinm 10, 10, 29, 31, 31
+; CHECK-NEXT:    # implicit-def: %X4
+; CHECK-NEXT:    mr 4, 10
+; CHECK-NEXT:    clrldi 4, 4, 32
+; CHECK-NEXT:    std 4, 0(3)
+; CHECK-NEXT:    blr
+  %1 = load i64, i64* %a, align 8
+  %conv = zext i64 %1 to i128
+  %2 = load i64, i64* %b, align 8
+  %conv2 = zext i64 %2 to i128
+  %mul = mul nuw i128 %conv2, %conv
+  %shr = lshr i128 %mul, 64
+  %agep = getelementptr inbounds i64, i64* %a, i64 1
+  %3 = load i64, i64* %agep, align 8
+  %conv14 = zext i64 %3 to i128
+  %mul15 = mul nuw i128 %conv14, %conv
+  %add17 = add i128 %mul15, %shr
+  %shr19 = lshr i128 %add17, 64
+  %conv20 = trunc i128 %shr19 to i64
+  %bgep = getelementptr inbounds i64, i64* %b, i64 1
+  %4 = load i64, i64* %bgep, align 8
+  %conv28 = zext i64 %4 to i128
+  %mul31 = mul nuw i128 %conv28, %conv2
+  %conv32 = and i128 %add17, 18446744073709551615
+  %add33 = add i128 %conv32, %mul31
+  %shr35 = lshr i128 %add33, 64
+  %conv36 = trunc i128 %shr35 to i64
+  %add37 = add i64 %conv36, %conv20
+  %cmp38 = icmp ult i64 %add37, %conv36
+  %conv148 = zext i1 %cmp38 to i64
+  store i64 %conv148, i64* %r, align 8
+  ret void
+}
+