diff options
Diffstat (limited to 'llvm/test')
-rw-r--r-- | llvm/test/CodeGen/AArch64/fptouint-i8-zext.ll | 4 | ||||
-rw-r--r-- | llvm/test/CodeGen/PowerPC/fp64-to-int16.ll | 21 |
2 files changed, 24 insertions, 1 deletions
diff --git a/llvm/test/CodeGen/AArch64/fptouint-i8-zext.ll b/llvm/test/CodeGen/AArch64/fptouint-i8-zext.ll index 682683751a8..4e07c62ba99 100644 --- a/llvm/test/CodeGen/AArch64/fptouint-i8-zext.ll +++ b/llvm/test/CodeGen/AArch64/fptouint-i8-zext.ll @@ -3,9 +3,11 @@ target datalayout = "e-m:e-i8:8:32-i16:16:32-i64:64-i128:128-n32:64-S128" target triple = "aarch64" +; If the float value is negative or too large, the result is undefined anyway; +; otherwise, fcvtzs must returns a value in [0, 256), which guarantees zext. + ; CHECK-LABEL: float_char_int_func: ; CHECK: fcvtzs [[A:w[0-9]+]], s0 -; CHECK-NEXT: and w0, [[A]], #0xff ; CHECK-NEXT: ret define i32 @float_char_int_func(float %infloatVal) { entry: diff --git a/llvm/test/CodeGen/PowerPC/fp64-to-int16.ll b/llvm/test/CodeGen/PowerPC/fp64-to-int16.ll new file mode 100644 index 00000000000..10d58c2d766 --- /dev/null +++ b/llvm/test/CodeGen/PowerPC/fp64-to-int16.ll @@ -0,0 +1,21 @@ +; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py +; RUN: llc -O0 < %s | FileCheck %s +target triple = "powerpc64le--linux-gnu" + +define i1 @Test(double %a) { +; CHECK-LABEL: Test: +; CHECK: # BB#0: # %entry +; CHECK-NEXT: xscvdpsxws 1, 1 +; CHECK-NEXT: mfvsrwz 3, 1 +; CHECK-NEXT: xori 3, 3, 65534 +; CHECK-NEXT: cntlzw 3, 3 +; CHECK-NEXT: srwi 3, 3, 5 +; CHECK-NEXT: # implicit-def: %X4 +; CHECK-NEXT: mr 4, 3 +; CHECK-NEXT: mr 3, 4 +; CHECK-NEXT: blr +entry: + %conv = fptoui double %a to i16 + %cmp = icmp eq i16 %conv, -2 + ret i1 %cmp +} |