blob: 7b00ac69b91acecd123e9f5b516ec479ed701a7b [file] [log] [blame]
Dan Gohmanfce288f2009-09-09 00:09:15 +00001; RUN: llc < %s -march=ppc32 -mtriple=powerpc-apple-darwin8 | \
Reid Spencer90850432007-01-30 16:16:01 +00002; RUN: grep cntlzw
Bill Wendlingeb9a42c2007-01-16 03:42:04 +00003
Chris Lattnere1446382009-08-12 05:44:03 +00004define i32 @foo() nounwind {
Bill Wendlingeb9a42c2007-01-16 03:42:04 +00005entry:
6 %retval = alloca i32, align 4 ; <i32*> [#uses=2]
Reid Spencer90850432007-01-30 16:16:01 +00007 %temp = alloca i32, align 4 ; <i32*> [#uses=2]
Bill Wendlingeb9a42c2007-01-16 03:42:04 +00008 %ctz_x = alloca i32, align 4 ; <i32*> [#uses=3]
9 %ctz_c = alloca i32, align 4 ; <i32*> [#uses=2]
10 "alloca point" = bitcast i32 0 to i32 ; <i32> [#uses=0]
11 store i32 61440, i32* %ctz_x
12 %tmp = load i32* %ctz_x ; <i32> [#uses=1]
13 %tmp1 = sub i32 0, %tmp ; <i32> [#uses=1]
14 %tmp2 = load i32* %ctz_x ; <i32> [#uses=1]
15 %tmp3 = and i32 %tmp1, %tmp2 ; <i32> [#uses=1]
16 %tmp4 = call i32 asm "$(cntlz$|cntlzw$) $0,$1", "=r,r,~{dirflag},~{fpsr},~{flags}"( i32 %tmp3 ) ; <i32> [#uses=1]
17 store i32 %tmp4, i32* %ctz_c
18 %tmp5 = load i32* %ctz_c ; <i32> [#uses=1]
Reid Spencer90850432007-01-30 16:16:01 +000019 store i32 %tmp5, i32* %temp
20 %tmp6 = load i32* %temp ; <i32> [#uses=1]
Bill Wendlingeb9a42c2007-01-16 03:42:04 +000021 store i32 %tmp6, i32* %retval
22 br label %return
23
24return: ; preds = %entry
Reid Spencer90850432007-01-30 16:16:01 +000025 %retval2 = load i32* %retval ; <i32> [#uses=1]
26 ret i32 %retval2
Bill Wendlingeb9a42c2007-01-16 03:42:04 +000027}