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| author | Richard Sandiford <rsandifo@linux.vnet.ibm.com> | 2013-05-30 09:45:42 +0000 |
|---|---|---|
| committer | Richard Sandiford <rsandifo@linux.vnet.ibm.com> | 2013-05-30 09:45:42 +0000 |
| commit | 14a926f13b768ee3771bb944bbbb29529a40dbe1 (patch) | |
| tree | 84c2dbb8c1cdb7bd841e955b875421c16a28e49b /test/CodeGen/SystemZ/int-cmp-39.ll | |
| parent | ccb7bd9d84602c1fb5514dcee6de3420f175176a (diff) | |
| download | llvm-14a926f13b768ee3771bb944bbbb29529a40dbe1.tar.gz llvm-14a926f13b768ee3771bb944bbbb29529a40dbe1.tar.bz2 llvm-14a926f13b768ee3771bb944bbbb29529a40dbe1.tar.xz | |
[SystemZ] Enable unaligned accesses
The code to distinguish between unaligned and aligned addresses was
already there, so this is mostly just a switch-on-and-test process.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182920 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/CodeGen/SystemZ/int-cmp-39.ll')
| -rw-r--r-- | test/CodeGen/SystemZ/int-cmp-39.ll | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/test/CodeGen/SystemZ/int-cmp-39.ll b/test/CodeGen/SystemZ/int-cmp-39.ll index 7d654ee594..e99b240af8 100644 --- a/test/CodeGen/SystemZ/int-cmp-39.ll +++ b/test/CodeGen/SystemZ/int-cmp-39.ll @@ -4,6 +4,7 @@ ; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s @g = global i16 1 +@h = global i16 1, align 1, section "foo" ; Check signed comparison. define i64 @f1(i64 %src1) { @@ -79,3 +80,23 @@ exit: %res = phi i64 [ %src1, %entry ], [ %mul, %mulb ] ret i64 %res } + +; Repeat f1 with an unaligned address. +define i64 @f5(i64 %src1) { +; CHECK: f5: +; CHECK: lgrl [[REG:%r[0-5]]], h@GOT +; CHECK: cgh %r2, 0([[REG]]) +; CHECK-NEXT: jl +; CHECK: br %r14 +entry: + %val = load i16 *@h, align 1 + %src2 = sext i16 %val to i64 + %cond = icmp slt i64 %src1, %src2 + br i1 %cond, label %exit, label %mulb +mulb: + %mul = mul i64 %src1, %src1 + br label %exit +exit: + %res = phi i64 [ %src1, %entry ], [ %mul, %mulb ] + ret i64 %res +} |