| Dan Gohman | f17a25c | 2007-07-18 16:29:46 +0000 | [diff] [blame^] | 1 | ; RUN: llvm-as < %s | llc -march=ppc32 -mtriple=powerpc-apple-darwin8 | \ |
| 2 | ; RUN: grep cntlzw |
| 3 | |
| 4 | define i32 @foo() { |
| 5 | entry: |
| 6 | %retval = alloca i32, align 4 ; <i32*> [#uses=2] |
| 7 | %temp = alloca i32, align 4 ; <i32*> [#uses=2] |
| 8 | %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] |
| 19 | store i32 %tmp5, i32* %temp |
| 20 | %tmp6 = load i32* %temp ; <i32> [#uses=1] |
| 21 | store i32 %tmp6, i32* %retval |
| 22 | br label %return |
| 23 | |
| 24 | return: ; preds = %entry |
| 25 | %retval2 = load i32* %retval ; <i32> [#uses=1] |
| 26 | ret i32 %retval2 |
| 27 | } |