diff options
| -rw-r--r-- | llvm/lib/Target/AArch64/AArch64InstrInfo.cpp | 2 | ||||
| -rw-r--r-- | llvm/test/CodeGen/AArch64/madd-combiner.ll | 19 |
2 files changed, 19 insertions, 2 deletions
diff --git a/llvm/lib/Target/AArch64/AArch64InstrInfo.cpp b/llvm/lib/Target/AArch64/AArch64InstrInfo.cpp index c8592bd1c88..c5bf3c79477 100644 --- a/llvm/lib/Target/AArch64/AArch64InstrInfo.cpp +++ b/llvm/lib/Target/AArch64/AArch64InstrInfo.cpp @@ -2805,7 +2805,7 @@ void AArch64InstrInfo::genAlternativeCodeSequence( RC = &AArch64::GPR32RegClass; } else { OrrOpc = AArch64::ORRXri; - OrrRC = &AArch64::GPR64RegClass; + OrrRC = &AArch64::GPR64spRegClass; BitSize = 64; ZeroReg = AArch64::XZR; Opc = AArch64::MADDXrrr; diff --git a/llvm/test/CodeGen/AArch64/madd-combiner.ll b/llvm/test/CodeGen/AArch64/madd-combiner.ll index e7f171b9048..7c9787a7281 100644 --- a/llvm/test/CodeGen/AArch64/madd-combiner.ll +++ b/llvm/test/CodeGen/AArch64/madd-combiner.ll @@ -1,4 +1,5 @@ -; RUN: llc -mtriple=aarch64-apple-darwin -verify-machineinstrs < %s | FileCheck %s +; RUN: llc -mtriple=aarch64-apple-darwin -verify-machineinstrs < %s | FileCheck %s +; RUN: llc -mtriple=aarch64-apple-darwin -fast-isel -verify-machineinstrs < %s | FileCheck %s ; Test that we use the correct register class. define i32 @mul_add_imm(i32 %a, i32 %b) { @@ -18,3 +19,19 @@ define i32 @mul_sub_imm1(i32 %a, i32 %b) { %2 = sub i32 4, %1 ret i32 %2 } + +; bugpoint reduced test case. This only tests that we pass the MI verifier. +define void @mul_add_imm2() { +entry: + br label %for.body +for.body: + br i1 undef, label %for.body, label %for.body8 +for.body8: + %0 = mul i64 undef, -3 + %mul1971 = add i64 %0, -3 + %cmp7 = icmp slt i64 %mul1971, 1390451930000 + br i1 %cmp7, label %for.body8, label %for.end20 +for.end20: + ret void +} + |
