diff options
Diffstat (limited to 'llvm/test/CodeGen')
| -rw-r--r-- | llvm/test/CodeGen/SPARC/basictest.ll | 2 | ||||
| -rw-r--r-- | llvm/test/CodeGen/SPARC/multiple-div.ll | 21 |
2 files changed, 22 insertions, 1 deletions
diff --git a/llvm/test/CodeGen/SPARC/basictest.ll b/llvm/test/CodeGen/SPARC/basictest.ll index 7b540074a35..3792100b2e6 100644 --- a/llvm/test/CodeGen/SPARC/basictest.ll +++ b/llvm/test/CodeGen/SPARC/basictest.ll @@ -38,7 +38,7 @@ entry: ; CHECK-LABEL: signed_divide: ; CHECK: sra %o0, 31, %o2 -; CHECK: wr %o2, %g0, %y +; CHECK: wr %g0, %o2, %y ; CHECK: sdiv %o0, %o1, %o0 define i32 @signed_divide(i32 %a, i32 %b) { %r = sdiv i32 %a, %b diff --git a/llvm/test/CodeGen/SPARC/multiple-div.ll b/llvm/test/CodeGen/SPARC/multiple-div.ll new file mode 100644 index 00000000000..6934f69ac18 --- /dev/null +++ b/llvm/test/CodeGen/SPARC/multiple-div.ll @@ -0,0 +1,21 @@ +; RUN: llc < %s -march=sparc | FileCheck %s +; RUN: llc -O0 < %s -march=sparc | FileCheck %s + +;; llc -O0 used to try to spill Y to the stack, which isn't possible, +;; and then crashed. Additionally, in -O1, it would omit the second +;; apparently-redundant wr to %y, which is not actually redundant +;; because the spec says to treat %y as potentially-written by udiv. + +; CHECK-LABEL: two_divides: +; CHECK: wr %g0, %g0, %y +; CHECK: udiv +; CHECK: wr %g0, %g0, %y +; CHECK: udiv +; CHECK: add + +define i32 @two_divides(i32 %a, i32 %b) { + %r = udiv i32 %a, %b + %r2 = udiv i32 %b, %a + %r3 = add i32 %r, %r2 + ret i32 %r3 +} |
