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Diffstat (limited to 'test/CodeGen/X86/isel-sink3.ll')
| -rw-r--r-- | test/CodeGen/X86/isel-sink3.ll | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/test/CodeGen/X86/isel-sink3.ll b/test/CodeGen/X86/isel-sink3.ll new file mode 100644 index 0000000000..a0fba3acc5 --- /dev/null +++ b/test/CodeGen/X86/isel-sink3.ll @@ -0,0 +1,25 @@ +; RUN: llvm-as < %s | llc -enable-smarter-addr-folding | grep {addl.(%eax), %ecx} +; RUN: llvm-as < %s | llc -enable-smarter-addr-folding | not grep leal +; this should not sink %1 into bb1, that would increase reg pressure. + +; rdar://6399178 + +target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f80:128:128" +target triple = "i386-apple-darwin7" + +define i32 @bar(i32** %P) nounwind { +entry: + %0 = load i32** %P, align 4 ; <i32*> [#uses=2] + %1 = getelementptr i32* %0, i32 1 ; <i32*> [#uses=1] + %2 = icmp ugt i32* %1, inttoptr (i64 1233 to i32*) ; <i1> [#uses=1] + br i1 %2, label %bb1, label %bb + +bb: ; preds = %entry + store i32* inttoptr (i64 123 to i32*), i32** %P, align 4 + br label %bb1 + +bb1: ; preds = %entry, %bb + %3 = getelementptr i32* %1, i32 1 ; <i32*> [#uses=1] + %4 = load i32* %3, align 4 ; <i32> [#uses=1] + ret i32 %4 +} |