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author | Chris Lattner <sabre@nondot.org> | 2011-04-19 04:22:17 +0000 |
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committer | Chris Lattner <sabre@nondot.org> | 2011-04-19 04:22:17 +0000 |
commit | 2c8a4c3b1b9806b7f7024e3a94aebfdd57e137da (patch) | |
tree | c004d5fefb1daa4db139a31344140c73e765ed85 /llvm/test/CodeGen/X86/fast-isel-x86-64.ll | |
parent | 176761e530a96289fb5fed331272bc08ad4acf5b (diff) | |
download | bcm5719-llvm-2c8a4c3b1b9806b7f7024e3a94aebfdd57e137da.tar.gz bcm5719-llvm-2c8a4c3b1b9806b7f7024e3a94aebfdd57e137da.zip |
fix rdar://9297006 - fast isel bails out on trunc to i1 -> bools cry,
a common cause of fast isel rejects on c++ code.
llvm-svn: 129748
Diffstat (limited to 'llvm/test/CodeGen/X86/fast-isel-x86-64.ll')
-rw-r--r-- | llvm/test/CodeGen/X86/fast-isel-x86-64.ll | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/llvm/test/CodeGen/X86/fast-isel-x86-64.ll b/llvm/test/CodeGen/X86/fast-isel-x86-64.ll index bf886e079f6..fe8530ca296 100644 --- a/llvm/test/CodeGen/X86/fast-isel-x86-64.ll +++ b/llvm/test/CodeGen/X86/fast-isel-x86-64.ll @@ -127,3 +127,20 @@ define i32 @test11(i32 %X) nounwind { ; CHECK: sarl $3, } + +; rdar://9297006 - Trunc to bool. +define void @test12(i8 %tmp) nounwind ssp noredzone { +entry: + %tobool = trunc i8 %tmp to i1 + br i1 %tobool, label %if.then, label %if.end + +if.then: ; preds = %entry + call void @test12(i8 0) noredzone + br label %if.end + +if.end: ; preds = %if.then, %entry + ret void +; CHECK: test12: +; CHECK: testb $1, +} + |