diff options
Diffstat (limited to 'test/CodeGen/SystemZ/int-conv-06.ll')
-rw-r--r-- | test/CodeGen/SystemZ/int-conv-06.ll | 94 |
1 files changed, 94 insertions, 0 deletions
diff --git a/test/CodeGen/SystemZ/int-conv-06.ll b/test/CodeGen/SystemZ/int-conv-06.ll index dc9dcc7..90a142b 100644 --- a/test/CodeGen/SystemZ/int-conv-06.ll +++ b/test/CodeGen/SystemZ/int-conv-06.ll @@ -112,3 +112,97 @@ define i32 @f10(i64 %src, i64 %index) { %ext = zext i16 %half to i32 ret i32 %ext } + +; Test a case where we spill the source of at least one LLHR. We want +; to use LLH if possible. +define void @f11(i32 *%ptr) { +; CHECK: f11: +; CHECK: llh {{%r[0-9]+}}, 16{{[26]}}(%r15) +; CHECK: br %r14 + %val0 = load volatile i32 *%ptr + %val1 = load volatile i32 *%ptr + %val2 = load volatile i32 *%ptr + %val3 = load volatile i32 *%ptr + %val4 = load volatile i32 *%ptr + %val5 = load volatile i32 *%ptr + %val6 = load volatile i32 *%ptr + %val7 = load volatile i32 *%ptr + %val8 = load volatile i32 *%ptr + %val9 = load volatile i32 *%ptr + %val10 = load volatile i32 *%ptr + %val11 = load volatile i32 *%ptr + %val12 = load volatile i32 *%ptr + %val13 = load volatile i32 *%ptr + %val14 = load volatile i32 *%ptr + %val15 = load volatile i32 *%ptr + + %trunc0 = trunc i32 %val0 to i16 + %trunc1 = trunc i32 %val1 to i16 + %trunc2 = trunc i32 %val2 to i16 + %trunc3 = trunc i32 %val3 to i16 + %trunc4 = trunc i32 %val4 to i16 + %trunc5 = trunc i32 %val5 to i16 + %trunc6 = trunc i32 %val6 to i16 + %trunc7 = trunc i32 %val7 to i16 + %trunc8 = trunc i32 %val8 to i16 + %trunc9 = trunc i32 %val9 to i16 + %trunc10 = trunc i32 %val10 to i16 + %trunc11 = trunc i32 %val11 to i16 + %trunc12 = trunc i32 %val12 to i16 + %trunc13 = trunc i32 %val13 to i16 + %trunc14 = trunc i32 %val14 to i16 + %trunc15 = trunc i32 %val15 to i16 + + %ext0 = zext i16 %trunc0 to i32 + %ext1 = zext i16 %trunc1 to i32 + %ext2 = zext i16 %trunc2 to i32 + %ext3 = zext i16 %trunc3 to i32 + %ext4 = zext i16 %trunc4 to i32 + %ext5 = zext i16 %trunc5 to i32 + %ext6 = zext i16 %trunc6 to i32 + %ext7 = zext i16 %trunc7 to i32 + %ext8 = zext i16 %trunc8 to i32 + %ext9 = zext i16 %trunc9 to i32 + %ext10 = zext i16 %trunc10 to i32 + %ext11 = zext i16 %trunc11 to i32 + %ext12 = zext i16 %trunc12 to i32 + %ext13 = zext i16 %trunc13 to i32 + %ext14 = zext i16 %trunc14 to i32 + %ext15 = zext i16 %trunc15 to i32 + + store volatile i32 %val0, i32 *%ptr + store volatile i32 %val1, i32 *%ptr + store volatile i32 %val2, i32 *%ptr + store volatile i32 %val3, i32 *%ptr + store volatile i32 %val4, i32 *%ptr + store volatile i32 %val5, i32 *%ptr + store volatile i32 %val6, i32 *%ptr + store volatile i32 %val7, i32 *%ptr + store volatile i32 %val8, i32 *%ptr + store volatile i32 %val9, i32 *%ptr + store volatile i32 %val10, i32 *%ptr + store volatile i32 %val11, i32 *%ptr + store volatile i32 %val12, i32 *%ptr + store volatile i32 %val13, i32 *%ptr + store volatile i32 %val14, i32 *%ptr + store volatile i32 %val15, i32 *%ptr + + store volatile i32 %ext0, i32 *%ptr + store volatile i32 %ext1, i32 *%ptr + store volatile i32 %ext2, i32 *%ptr + store volatile i32 %ext3, i32 *%ptr + store volatile i32 %ext4, i32 *%ptr + store volatile i32 %ext5, i32 *%ptr + store volatile i32 %ext6, i32 *%ptr + store volatile i32 %ext7, i32 *%ptr + store volatile i32 %ext8, i32 *%ptr + store volatile i32 %ext9, i32 *%ptr + store volatile i32 %ext10, i32 *%ptr + store volatile i32 %ext11, i32 *%ptr + store volatile i32 %ext12, i32 *%ptr + store volatile i32 %ext13, i32 *%ptr + store volatile i32 %ext14, i32 *%ptr + store volatile i32 %ext15, i32 *%ptr + + ret void +} |