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author | Chris Lattner <sabre@nondot.org> | 2011-01-16 02:27:38 +0000 |
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committer | Chris Lattner <sabre@nondot.org> | 2011-01-16 02:27:38 +0000 |
commit | b99fdee325fe677081dc27bb7d719518452f3256 (patch) | |
tree | 1cc0d2b5c6b91e65403ff1baf828094df4bf016c /test | |
parent | d5f656f48b98b4fc4dcb131f113316ba04180f11 (diff) | |
download | external_llvm-b99fdee325fe677081dc27bb7d719518452f3256.zip external_llvm-b99fdee325fe677081dc27bb7d719518452f3256.tar.gz external_llvm-b99fdee325fe677081dc27bb7d719518452f3256.tar.bz2 |
reapply my fix for PR8961 with a tweak to properly handle
multi-instruction sequences like calls. Many thanks to Jakob for
finding a testcase.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123559 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test')
-rw-r--r-- | test/CodeGen/X86/fast-isel-gep.ll | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/test/CodeGen/X86/fast-isel-gep.ll b/test/CodeGen/X86/fast-isel-gep.ll index 577dd72..622a1ff 100644 --- a/test/CodeGen/X86/fast-isel-gep.ll +++ b/test/CodeGen/X86/fast-isel-gep.ll @@ -70,3 +70,20 @@ entry: ; X64: test4: ; X64: 128(%r{{.*}},%r{{.*}},8) } + +; PR8961 - Make sure the sext for the GEP addressing comes before the load that +; is folded. +define i64 @test5(i8* %A, i32 %I, i64 %B) nounwind { + %v8 = getelementptr i8* %A, i32 %I + %v9 = bitcast i8* %v8 to i64* + %v10 = load i64* %v9 + %v11 = add i64 %B, %v10 + ret i64 %v11 +; X64: test5: +; X64: movslq %esi, %rax +; X64-NEXT: movq (%rdi,%rax), %rax +; X64-NEXT: addq %rdx, %rax +; X64-NEXT: ret +} + + |