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| author | Chad Rosier <mcrosier@apple.com> | 2011-11-11 06:20:39 +0000 |
|---|---|---|
| committer | Chad Rosier <mcrosier@apple.com> | 2011-11-11 06:20:39 +0000 |
| commit | a07d3fc693e2a3ac7c9ed2a59f62b21ab33d9fd4 (patch) | |
| tree | 6296e4db99ecbac7b3dafcf16b0128444a751813 /test | |
| parent | e184fec550ea249d00e058cfba34ec6913951895 (diff) | |
| download | llvm-a07d3fc693e2a3ac7c9ed2a59f62b21ab33d9fd4.tar.gz llvm-a07d3fc693e2a3ac7c9ed2a59f62b21ab33d9fd4.tar.bz2 llvm-a07d3fc693e2a3ac7c9ed2a59f62b21ab33d9fd4.tar.xz | |
Add support for using immediates with select instructions.
rdar://10412592
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@144376 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test')
| -rw-r--r-- | test/CodeGen/ARM/fast-isel-select.ll | 99 |
1 files changed, 99 insertions, 0 deletions
diff --git a/test/CodeGen/ARM/fast-isel-select.ll b/test/CodeGen/ARM/fast-isel-select.ll new file mode 100644 index 0000000000..9ac63d6235 --- /dev/null +++ b/test/CodeGen/ARM/fast-isel-select.ll @@ -0,0 +1,99 @@ +; RUN: llc < %s -O0 -fast-isel-abort -relocation-model=dynamic-no-pic -mtriple=armv7-apple-darwin | FileCheck %s --check-prefix=ARM +; RUN: llc < %s -O0 -fast-isel-abort -relocation-model=dynamic-no-pic -mtriple=thumbv7-apple-darwin | FileCheck %s --check-prefix=THUMB + +define i32 @t1(i1 %c) nounwind readnone { +entry: +; ARM: t1 +; ARM: movw r{{[1-9]}}, #10 +; ARM: cmp r0, #0 +; ARM: moveq r{{[1-9]}}, #20 +; ARM: mov r0, r{{[1-9]}} +; THUMB: t1 +; THUMB: movs r{{[1-9]}}, #10 +; THUMB: movt r{{[1-9]}}, #0 +; THUMB: cmp r0, #0 +; THUMB: it eq +; THUMB: moveq r{{[1-9]}}, #20 +; THUMB: mov r0, r{{[1-9]}} + %0 = select i1 %c, i32 10, i32 20 + ret i32 %0 +} + +define i32 @t2(i1 %c, i32 %a) nounwind readnone { +entry: +; ARM: t2 +; ARM: cmp r0, #0 +; ARM: moveq r{{[1-9]}}, #20 +; ARM: mov r0, r{{[1-9]}} +; THUMB: t2 +; THUMB: cmp r0, #0 +; THUMB: it eq +; THUMB: moveq r{{[1-9]}}, #20 +; THUMB: mov r0, r{{[1-9]}} + %0 = select i1 %c, i32 %a, i32 20 + ret i32 %0 +} + +define i32 @t3(i1 %c, i32 %a, i32 %b) nounwind readnone { +entry: +; ARM: t3 +; ARM: cmp r0, #0 +; ARM: movne r{{[1-9]}}, r{{[1-9]}} +; ARM: mov r0, r{{[1-9]}} +; THUMB: t3 +; THUMB: cmp r0, #0 +; THUMB: it ne +; THUMB: movne r{{[1-9]}}, r{{[1-9]}} +; THUMB: mov r0, r{{[1-9]}} + %0 = select i1 %c, i32 %a, i32 %b + ret i32 %0 +} + +define i32 @t4(i1 %c) nounwind readnone { +entry: +; ARM: t4 +; ARM: mvn r{{[1-9]}}, #9 +; ARM: cmp r0, #0 +; ARM: mvneq r{{[1-9]}}, #0 +; ARM: mov r0, r{{[1-9]}} +; THUMB: t4 +; THUMB: movw r{{[1-9]}}, #65526 +; THUMB: movt r{{[1-9]}}, #65535 +; THUMB: cmp r0, #0 +; THUMB: it eq +; THUMB: mvneq r{{[1-9]}}, #0 +; THUMB: mov r0, r{{[1-9]}} + %0 = select i1 %c, i32 -10, i32 -1 + ret i32 %0 +} + +define i32 @t5(i1 %c, i32 %a) nounwind readnone { +entry: +; ARM: t5 +; ARM: cmp r0, #0 +; ARM: mvneq r{{[1-9]}}, #1 +; ARM: mov r0, r{{[1-9]}} +; THUMB: t5 +; THUMB: cmp r0, #0 +; THUMB: it eq +; THUMB: mvneq r{{[1-9]}}, #1 +; THUMB: mov r0, r{{[1-9]}} + %0 = select i1 %c, i32 %a, i32 -2 + ret i32 %0 +} + +; Check one large negative immediates. +define i32 @t6(i1 %c, i32 %a) nounwind readnone { +entry: +; ARM: t6 +; ARM: cmp r0, #0 +; ARM: mvneq r{{[1-9]}}, #978944 +; ARM: mov r0, r{{[1-9]}} +; THUMB: t6 +; THUMB: cmp r0, #0 +; THUMB: it eq +; THUMB: mvneq r{{[1-9]}}, #978944 +; THUMB: mov r0, r{{[1-9]}} + %0 = select i1 %c, i32 %a, i32 -978945 + ret i32 %0 +} |