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Diffstat (limited to 'test/CodeGen')
| -rw-r--r-- | test/CodeGen/PowerPC/2008-10-28-f128-i32.ll | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/test/CodeGen/PowerPC/2008-10-28-f128-i32.ll b/test/CodeGen/PowerPC/2008-10-28-f128-i32.ll new file mode 100644 index 0000000000..4db577357d --- /dev/null +++ b/test/CodeGen/PowerPC/2008-10-28-f128-i32.ll @@ -0,0 +1,33 @@ +; RUN: llvm-as < %s | llc -march=ppc32 -o - | not grep fixunstfsi + +define i64 @__fixunstfdi(ppc_fp128 %a) nounwind readnone { +entry: + %0 = fcmp olt ppc_fp128 %a, 0xM00000000000000000000000000000000 ; <i1> [#uses=1] + br i1 %0, label %bb5, label %bb1 + +bb1: ; preds = %entry + %1 = mul ppc_fp128 %a, 0xM3DF00000000000000000000000000000 ; <ppc_fp128> [#uses=1] + %2 = fptoui ppc_fp128 %1 to i32 ; <i32> [#uses=1] + %3 = zext i32 %2 to i64 ; <i64> [#uses=1] + %4 = shl i64 %3, 32 ; <i64> [#uses=3] + %5 = uitofp i64 %4 to ppc_fp128 ; <ppc_fp128> [#uses=1] + %6 = sub ppc_fp128 %a, %5 ; <ppc_fp128> [#uses=3] + %7 = fcmp olt ppc_fp128 %6, 0xM00000000000000000000000000000000 ; <i1> [#uses=1] + br i1 %7, label %bb2, label %bb3 + +bb2: ; preds = %bb1 + %8 = sub ppc_fp128 0xM80000000000000000000000000000000, %6 ; <ppc_fp128> [#uses=1] + %9 = fptoui ppc_fp128 %8 to i32 ; <i32> [#uses=1] + %10 = zext i32 %9 to i64 ; <i64> [#uses=1] + %11 = sub i64 %4, %10 ; <i64> [#uses=1] + ret i64 %11 + +bb3: ; preds = %bb1 + %12 = fptoui ppc_fp128 %6 to i32 ; <i32> [#uses=1] + %13 = zext i32 %12 to i64 ; <i64> [#uses=1] + %14 = or i64 %13, %4 ; <i64> [#uses=1] + ret i64 %14 + +bb5: ; preds = %entry + ret i64 0 +} |