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merge another test in, drop the trivially constant folded cases.

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llvm-svn: 95653
This commit is contained in:
Chris Lattner 2010-02-09 06:33:27 +00:00
parent ddb2e5a05c
commit 34c420d11b
2 changed files with 49 additions and 75 deletions
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75
test/CodeGen/X86/add-with-overflow.ll
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@ -1,75 +0,0 @@
; RUN: llc < %s -march=x86 | grep {jo} | count 2
; RUN: llc < %s -march=x86 | grep {jb} | count 2
; RUN: llc < %s -march=x86 -O0 | grep {jo} | count 2
; RUN: llc < %s -march=x86 -O0 | grep {jb} | count 2
@ok = internal constant [4 x i8] c"%d\0A\00"
@no = internal constant [4 x i8] c"no\0A\00"
define i1 @func1(i32 %v1, i32 %v2) nounwind {
entry:
%t = call {i32, i1} @llvm.sadd.with.overflow.i32(i32 %v1, i32 %v2)
%sum = extractvalue {i32, i1} %t, 0
%obit = extractvalue {i32, i1} %t, 1
br i1 %obit, label %overflow, label %normal
normal:
%t1 = tail call i32 (i8*, ...)* @printf( i8* getelementptr ([4 x i8]* @ok, i32 0, i32 0), i32 %sum ) nounwind
ret i1 true
overflow:
%t2 = tail call i32 (i8*, ...)* @printf( i8* getelementptr ([4 x i8]* @no, i32 0, i32 0) ) nounwind
ret i1 false
}
define i1 @func2(i32 %v1, i32 %v2) nounwind {
entry:
%t = call {i32, i1} @llvm.uadd.with.overflow.i32(i32 %v1, i32 %v2)
%sum = extractvalue {i32, i1} %t, 0
%obit = extractvalue {i32, 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 %sum ) 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
}
define i1 @func3() nounwind {
entry:
%t = call {i32, i1} @llvm.sadd.with.overflow.i32(i32 0, i32 0)
%sum = extractvalue {i32, i1} %t, 0
%obit = extractvalue {i32, 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 %sum ) 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
}
define i1 @func4() nounwind {
entry:
%t = call {i32, i1} @llvm.uadd.with.overflow.i32(i32 0, i32 0)
%sum = extractvalue {i32, i1} %t, 0
%obit = extractvalue {i32, 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 %sum ) 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 {i32, i1} @llvm.sadd.with.overflow.i32(i32, i32)
declare {i32, i1} @llvm.uadd.with.overflow.i32(i32, i32)

49
test/CodeGen/X86/add.ll
View File

@ -23,3 +23,52 @@ define i64 @test3(i64 inreg %a) nounwind {
; X32: addl $128, %eax
; X64: subq $-128,
}
define i1 @test4(i32 %v1, i32 %v2, i32* %X) nounwind {
entry:
%t = call {i32, i1} @llvm.sadd.with.overflow.i32(i32 %v1, i32 %v2)
%sum = extractvalue {i32, i1} %t, 0
%obit = extractvalue {i32, i1} %t, 1
br i1 %obit, label %overflow, label %normal
normal:
store i32 0, i32* %X
br label %overflow
overflow:
ret i1 false
; X32: test4:
; X32: addl
; X32-NEXT: jo
; X64: test4:
; X64: addl %esi, %edi
; X64-NEXT: jo
}
define i1 @test5(i32 %v1, i32 %v2, i32* %X) nounwind {
entry:
%t = call {i32, i1} @llvm.uadd.with.overflow.i32(i32 %v1, i32 %v2)
%sum = extractvalue {i32, i1} %t, 0
%obit = extractvalue {i32, i1} %t, 1
br i1 %obit, label %carry, label %normal
normal:
store i32 0, i32* %X
br label %carry
carry:
ret i1 false
; X32: test5:
; X32: addl
; X32-NEXT: jb
; X64: test5:
; X64: addl %esi, %edi
; X64-NEXT: jb
}
declare {i32, i1} @llvm.sadd.with.overflow.i32(i32, i32)
declare {i32, i1} @llvm.uadd.with.overflow.i32(i32, i32)