mirror of
https://github.com/RPCS3/llvm-mirror.git
synced 2024-10-31 16:02:52 +01:00
cc701bcfdc
In the bottom-up selection DAG scheduling, handle two-address instructions that read/write unspillable registers. Treat the entire chain of two-address nodes as a single live range. llvm-svn: 122472
35 lines
1.0 KiB
LLVM
35 lines
1.0 KiB
LLVM
; RUN: llc < %s
|
|
|
|
@ok = internal constant [4 x i8] c"%d\0A\00"
|
|
@no = internal constant [4 x i8] c"no\0A\00"
|
|
|
|
|
|
|
|
define i1 @func2(i128 zeroext %v1, i128 zeroext %v2) nounwind {
|
|
entry:
|
|
%t = call {i128, i1} @llvm.uadd.with.overflow.i128(i128 %v1, i128 %v2)
|
|
%sum = extractvalue {i128, i1} %t, 0
|
|
%sum32 = trunc i128 %sum to i32
|
|
%obit = extractvalue {i128, i1} %t, 1
|
|
br i1 %obit, label %carry, label %normal
|
|
|
|
normal:
|
|
%t1 = tail call i32 (i8*, ...)* @printf( i8* getelementptr ([4 x i8]* @ok, i32 0, i32 0), i32 %sum32 ) nounwind
|
|
ret i1 true
|
|
|
|
carry:
|
|
%t2 = tail call i32 (i8*, ...)* @printf( i8* getelementptr ([4 x i8]* @no, i32 0, i32 0) ) nounwind
|
|
ret i1 false
|
|
}
|
|
|
|
declare i32 @printf(i8*, ...) nounwind
|
|
declare {i96, i1} @llvm.sadd.with.overflow.i96(i96, i96)
|
|
declare {i128, i1} @llvm.uadd.with.overflow.i128(i128, i128)
|
|
|
|
define i1 @func1(i96 signext %v1, i96 signext %v2) nounwind {
|
|
entry:
|
|
%t = call {i96, i1} @llvm.sadd.with.overflow.i96(i96 %v1, i96 %v2)
|
|
%obit = extractvalue {i96, i1} %t, 1
|
|
ret i1 %obit
|
|
}
|