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| author | Reid Spencer <rspencer@reidspencer.com> | 2007-01-20 08:31:45 +0000 |
|---|---|---|
| committer | Reid Spencer <rspencer@reidspencer.com> | 2007-01-20 08:31:45 +0000 |
| commit | 50a8df7342c08099e47dfee4d3c0fb95e0a7fab0 (patch) | |
| tree | 7e61045c07a95046fa8e589d8bcd03b5b9129446 /llvm/test/Integer | |
| parent | dfda0616869b18a5a7e71260856e243e4f88fd22 (diff) | |
| download | bcm5719-llvm-50a8df7342c08099e47dfee4d3c0fb95e0a7fab0.tar.gz bcm5719-llvm-50a8df7342c08099e47dfee4d3c0fb95e0a7fab0.zip | |
Add a test case for sext bug that Leo found.
llvm-svn: 33393
Diffstat (limited to 'llvm/test/Integer')
| -rw-r--r-- | llvm/test/Integer/2007-01-19-TruncSext.ll | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/llvm/test/Integer/2007-01-19-TruncSext.ll b/llvm/test/Integer/2007-01-19-TruncSext.ll new file mode 100644 index 00000000000..7b89033cc2c --- /dev/null +++ b/llvm/test/Integer/2007-01-19-TruncSext.ll @@ -0,0 +1,29 @@ +; RUN: llvm-as %s -o - | llvm-dis > %t1.ll +; RUN: llvm-as %t1.ll -o - | llvm-dis > %t2.ll +; RUN: diff %t1.ll %t2.ll +; RUN: llvm-as < %s | lli --force-interpreter=true | grep -- '-255' + +%ARRAY = global [ 20 x i17 ] zeroinitializer +%FORMAT = constant [ 4 x i8 ] c"%d\0A\00" + +declare i32 %printf(i8* %format, ...) + +define void %multiply(i32 %index, i32 %X, i32 %Y) { + %Z = mul i32 %X, %Y + %P = getelementptr [20 x i17]* %ARRAY, i32 0, i32 %index + %Result = trunc i32 %Z to i17 + store i17 %Result, i17* %P + ret void +} + +define i32 %main(i32 %argc, i8** %argc) { + %i = bitcast i32 0 to i32 + call void %multiply(i32 %i, i32 -1, i32 255) + %P = getelementptr [20 x i17]* %ARRAY, i32 0, i32 0 + %X = load i17* %P + %result = sext i17 %X to i32 + %fmt = getelementptr [4 x i8]* %FORMAT, i32 0, i32 0 + call i32 (i8*,...)* %printf(i8* %fmt, i32 %result) + ret i32 %result +} + |
