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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 | 7ddd63ce4e601d1339c9ef1acf0423742c16ba93 (patch) | |
| tree | bb7b80cd248ff86c8d19a99fdaf1bf9fcc6f7299 /llvm/test/CodeGen/ARM/fast-isel-select.ll | |
| parent | 6049446c4756270c6bd79efbc5c4c1d462fa69f9 (diff) | |
| download | bcm5719-llvm-7ddd63ce4e601d1339c9ef1acf0423742c16ba93.tar.gz bcm5719-llvm-7ddd63ce4e601d1339c9ef1acf0423742c16ba93.zip | |
Add support for using immediates with select instructions.
rdar://10412592
llvm-svn: 144376
Diffstat (limited to 'llvm/test/CodeGen/ARM/fast-isel-select.ll')
| -rw-r--r-- | llvm/test/CodeGen/ARM/fast-isel-select.ll | 99 |
1 files changed, 99 insertions, 0 deletions
diff --git a/llvm/test/CodeGen/ARM/fast-isel-select.ll b/llvm/test/CodeGen/ARM/fast-isel-select.ll new file mode 100644 index 00000000000..9ac63d62358 --- /dev/null +++ b/llvm/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 +} |
