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| author | Richard Sandiford <rsandifo@linux.vnet.ibm.com> | 2013-10-01 15:00:44 +0000 |
|---|---|---|
| committer | Richard Sandiford <rsandifo@linux.vnet.ibm.com> | 2013-10-01 15:00:44 +0000 |
| commit | e22c56d6d81b84d6f4ba24c2f5b0b203e7ddffe9 (patch) | |
| tree | 2cb11c268f8f3373416cf3fc1400a62ba4701ba3 /test/CodeGen/SystemZ/asm-18.ll | |
| parent | 185ef05ad6fdcaad1e831020b1f88d0046dd15d6 (diff) | |
| download | external_llvm-e22c56d6d81b84d6f4ba24c2f5b0b203e7ddffe9.zip external_llvm-e22c56d6d81b84d6f4ba24c2f5b0b203e7ddffe9.tar.gz external_llvm-e22c56d6d81b84d6f4ba24c2f5b0b203e7ddffe9.tar.bz2 | |
[SystemZ] Add comparisons of high words and memory
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@191777 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/CodeGen/SystemZ/asm-18.ll')
| -rw-r--r-- | test/CodeGen/SystemZ/asm-18.ll | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/test/CodeGen/SystemZ/asm-18.ll b/test/CodeGen/SystemZ/asm-18.ll index d39de6d..d60654b 100644 --- a/test/CodeGen/SystemZ/asm-18.ll +++ b/test/CodeGen/SystemZ/asm-18.ll @@ -703,3 +703,43 @@ define i32 @f32() { %sel2 = select i1 %cmp2, i32 0, i32 1 ret i32 %sel2 } + +; Test memory comparison involving high registers. +define void @f33(i32 *%ptr1, i32 *%ptr2) { +; CHECK-LABEL: f33: +; CHECK: stepa [[REG1:%r[0-5]]] +; CHECK: chf [[REG1]], 0(%r2) +; CHECK: stepb [[REG2:%r[0-5]]] +; CHECK: clhf [[REG2]], 0(%r3) +; CHECK: br %r14 + %res1 = call i32 asm "stepa $0", "=h"() + %load1 = load i32 *%ptr1 + %cmp1 = icmp sle i32 %res1, %load1 + %sel1 = select i1 %cmp1, i32 0, i32 1 + %res2 = call i32 asm "stepb $0, $1", "=h,r"(i32 %sel1) + %load2 = load i32 *%ptr2 + %cmp2 = icmp ule i32 %res2, %load2 + %sel2 = select i1 %cmp2, i32 0, i32 1 + store i32 %sel2, i32 *%ptr1 + ret void +} + +; Test memory comparison involving low registers. +define void @f34(i32 *%ptr1, i32 *%ptr2) { +; CHECK-LABEL: f34: +; CHECK: stepa [[REG1:%r[0-5]]] +; CHECK: c [[REG1]], 0(%r2) +; CHECK: stepb [[REG2:%r[0-5]]] +; CHECK: cl [[REG2]], 0(%r3) +; CHECK: br %r14 + %res1 = call i32 asm "stepa $0", "=r"() + %load1 = load i32 *%ptr1 + %cmp1 = icmp sle i32 %res1, %load1 + %sel1 = select i1 %cmp1, i32 0, i32 1 + %res2 = call i32 asm "stepb $0, $1", "=r,r"(i32 %sel1) + %load2 = load i32 *%ptr2 + %cmp2 = icmp ule i32 %res2, %load2 + %sel2 = select i1 %cmp2, i32 0, i32 1 + store i32 %sel2, i32 *%ptr1 + ret void +} |