Mercurial > hg > CbC > CbC_llvm
view test/CodeGen/X86/fast-isel-constant.ll @ 121:803732b1fca8
LLVM 5.0
author | kono |
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date | Fri, 27 Oct 2017 17:07:41 +0900 |
parents | 95c75e76d11b |
children |
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; RUN: llc < %s -mtriple=x86_64-- -O0 | FileCheck %s ; Make sure fast-isel doesn't reset the materialised constant map ; across an intrinsic call. ; CHECK: movl $100000 ; CHECK-NOT: movl $100000 define i1 @test1(i32 %v1, i32 %v2, i32* %X) nounwind { entry: %a = shl i32 100000, %v1 %t = call {i32, i1} @llvm.sadd.with.overflow.i32(i32 %a, i32 %v2) %ext = extractvalue {i32, i1} %t, 0 %sum = shl i32 100000, %ext %obit = extractvalue {i32, i1} %t, 1 br i1 %obit, label %overflow, label %normal normal: store i32 %sum, i32* %X br label %overflow overflow: ret i1 false } declare {i32, i1} @llvm.sadd.with.overflow.i32(i32, i32)