From 9b1749b1f49453c91395c753c27f60cadb23bb76 Mon Sep 17 00:00:00 2001 From: Reid Spencer Date: Sun, 15 May 2005 21:26:59 +0000 Subject: [PATCH] Add a case with non-constant argument for testing the transform: ffs(x) -> (x == 0 ? 0 : llvm.cttz(0)+1) git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22069 91177308-0d34-0410-b5e6-96231b3b80d8 --- test/Transforms/SimplifyLibCalls/FFS.ll | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) diff --git a/test/Transforms/SimplifyLibCalls/FFS.ll b/test/Transforms/SimplifyLibCalls/FFS.ll index 35b5d3fb6c7..4981d13b6df 100644 --- a/test/Transforms/SimplifyLibCalls/FFS.ll +++ b/test/Transforms/SimplifyLibCalls/FFS.ll @@ -4,12 +4,17 @@ declare int %ffs(int) declare int %ffsl(int) declare int %ffsll(long) +declare int %__builtin_ffs(int) + +%non_const = external global int implementation ; Functions: int %main () { + %arg = load int* %non_const + %val0 = call int %ffs(int %arg) %val1 = call int %ffs(int 1) - %val2 = call int %ffs(int 2048) + %val2 = call int %__builtin_ffs(int 2048) %val3 = call int %ffsl(int 65536) %val4 = call int %ffsll(long 1024) %val5 = call int %ffsll(long 17179869184) @@ -19,5 +24,6 @@ int %main () { %rslt3 = add int %val5, %val6 %rslt4 = add int %rslt1, %rslt2 %rslt5 = add int %rslt4, %rslt3 + %rslt6 = add int %rslt5, %val0 ret int %rslt5 } -- 2.34.1