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| author | Richard Sandiford <rsandifo@linux.vnet.ibm.com> | 2013-10-01 13:18:56 +0000 |
|---|---|---|
| committer | Richard Sandiford <rsandifo@linux.vnet.ibm.com> | 2013-10-01 13:18:56 +0000 |
| commit | 1a56931b224bf97a20634ac9cebacf08f03734b8 (patch) | |
| tree | fd34606231859d9a9705c369ee79de76fb4c6b00 /llvm/test/CodeGen/SystemZ | |
| parent | a9853efb78a914af2832cfedb97e7393face37bd (diff) | |
| download | bcm5719-llvm-1a56931b224bf97a20634ac9cebacf08f03734b8.tar.gz bcm5719-llvm-1a56931b224bf97a20634ac9cebacf08f03734b8.zip | |
[SystemZ] Allow integer insertions with a high-word destination
llvm-svn: 191753
Diffstat (limited to 'llvm/test/CodeGen/SystemZ')
| -rw-r--r-- | llvm/test/CodeGen/SystemZ/asm-18.ll | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/llvm/test/CodeGen/SystemZ/asm-18.ll b/llvm/test/CodeGen/SystemZ/asm-18.ll index 6126b50c171..fc71895cd78 100644 --- a/llvm/test/CodeGen/SystemZ/asm-18.ll +++ b/llvm/test/CodeGen/SystemZ/asm-18.ll @@ -315,3 +315,41 @@ define void @f14(i32 %x, i32 %y) { call void asm sideeffect "blah $0", "r"(i32 %val) ret void } + +; Test immediate insertion involving high registers. +define void @f15() { +; CHECK-LABEL: f15: +; CHECK: stepa [[REG:%r[0-5]]] +; CHECK: iihh [[REG]], 4660 +; CHECK: stepb [[REG]] +; CHECK: iihl [[REG]], 34661 +; CHECK: stepc [[REG]] +; CHECK: br %r14 + %res1 = call i32 asm "stepa $0", "=h"() + %and1 = and i32 %res1, 65535 + %or1 = or i32 %and1, 305397760 + %res2 = call i32 asm "stepb $0, $1", "=h,h"(i32 %or1) + %and2 = and i32 %res2, -65536 + %or2 = or i32 %and2, 34661 + call void asm sideeffect "stepc $0", "h"(i32 %or2) + ret void +} + +; Test immediate insertion involving low registers. +define void @f16() { +; CHECK-LABEL: f16: +; CHECK: stepa [[REG:%r[0-5]]] +; CHECK: iilh [[REG]], 4660 +; CHECK: stepb [[REG]] +; CHECK: iill [[REG]], 34661 +; CHECK: stepc [[REG]] +; CHECK: br %r14 + %res1 = call i32 asm "stepa $0", "=r"() + %and1 = and i32 %res1, 65535 + %or1 = or i32 %and1, 305397760 + %res2 = call i32 asm "stepb $0, $1", "=r,r"(i32 %or1) + %and2 = and i32 %res2, -65536 + %or2 = or i32 %and2, 34661 + call void asm sideeffect "stepc $0", "r"(i32 %or2) + ret void +} |
