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| author | James Molloy <james.molloy@arm.com> | 2014-05-16 14:14:30 +0000 |
|---|---|---|
| committer | James Molloy <james.molloy@arm.com> | 2014-05-16 14:14:30 +0000 |
| commit | 40ae57cc0a187424c8db723a51506b7192b77f71 (patch) | |
| tree | 02462913a469dce843799a92000ee57add764a62 /test/CodeGen/Thumb | |
| parent | 2c9f8a715ed61a68eff0f4310254d24e16594d39 (diff) | |
| download | llvm-40ae57cc0a187424c8db723a51506b7192b77f71.tar.gz llvm-40ae57cc0a187424c8db723a51506b7192b77f71.tar.bz2 llvm-40ae57cc0a187424c8db723a51506b7192b77f71.tar.xz | |
Fix the Load/Store optimization pass to work with Thumb1.
Patch by Moritz Roth!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@208992 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/CodeGen/Thumb')
| -rw-r--r-- | test/CodeGen/Thumb/dyn-stackalloc.ll | 7 | ||||
| -rw-r--r-- | test/CodeGen/Thumb/thumb-ldm.ll | 42 |
2 files changed, 46 insertions, 3 deletions
diff --git a/test/CodeGen/Thumb/dyn-stackalloc.ll b/test/CodeGen/Thumb/dyn-stackalloc.ll index 6c6de55347..6bc39afe21 100644 --- a/test/CodeGen/Thumb/dyn-stackalloc.ll +++ b/test/CodeGen/Thumb/dyn-stackalloc.ll @@ -1,5 +1,5 @@ -; RUN: llc < %s -mtriple=thumb-apple-darwin -disable-cgp-branch-opts -disable-post-ra | FileCheck %s -; RUN: llc < %s -mtriple=thumb-apple-darwin -disable-cgp-branch-opts -disable-post-ra -regalloc=basic | FileCheck %s +; RUN: llc < %s -mtriple=thumb-apple-darwin -disable-cgp-branch-opts -disable-post-ra | FileCheck %s -check-prefix=CHECK -check-prefix=RA_GREEDY +; RUN: llc < %s -mtriple=thumb-apple-darwin -disable-cgp-branch-opts -disable-post-ra -regalloc=basic | FileCheck %s -check-prefix=CHECK -check-prefix=RA_BASIC %struct.state = type { i32, %struct.info*, float**, i32, i32, i32, i32, i32, i32, i32, i32, i32, i64, i64, i64, i64, i64, i64, i8* } %struct.info = type { i32, i32, i32, i32, i32, i32, i32, i8* } @@ -45,7 +45,8 @@ define void @t2(%struct.comment* %vc, i8* %tag, i8* %contents) { ; CHECK: sub sp, # ; CHECK: mov r[[R0:[0-9]+]], sp ; CHECK: str r{{[0-9+]}}, [r[[R0]] -; CHECK: str r{{[0-9+]}}, [r[[R0]] +; RA_GREEDY: str r{{[0-9+]}}, [r[[R0]] +; RA_BASIC: stm r[[R0]]! ; CHECK-NOT: ldr r0, [sp ; CHECK: mov r[[R1:[0-9]+]], sp ; CHECK: subs r[[R2:[0-9]+]], r[[R1]], r{{[0-9]+}} diff --git a/test/CodeGen/Thumb/thumb-ldm.ll b/test/CodeGen/Thumb/thumb-ldm.ll new file mode 100644 index 0000000000..dd98e6f300 --- /dev/null +++ b/test/CodeGen/Thumb/thumb-ldm.ll @@ -0,0 +1,42 @@ +; RUN: llc < %s -mtriple=thumbv6m-eabi -o - | FileCheck %s + +@X = external global [0 x i32] ; <[0 x i32]*> [#uses=5] + +define i32 @t1() { +; CHECK-LABEL: t1: +; CHECK: push {r7, lr} +; CHECK: ldm +; CHECK: pop {r7, pc} + %tmp = load i32* getelementptr ([0 x i32]* @X, i32 0, i32 0) ; <i32> [#uses=1] + %tmp3 = load i32* getelementptr ([0 x i32]* @X, i32 0, i32 1) ; <i32> [#uses=1] + %tmp4 = call i32 @f1( i32 %tmp, i32 %tmp3 ) ; <i32> [#uses=1] + ret i32 %tmp4 +} + +define i32 @t2() { +; CHECK-LABEL: t2: +; CHECK: push {r7, lr} +; CHECK: ldm +; CHECK: pop {r7, pc} + %tmp = load i32* getelementptr ([0 x i32]* @X, i32 0, i32 2) ; <i32> [#uses=1] + %tmp3 = load i32* getelementptr ([0 x i32]* @X, i32 0, i32 3) ; <i32> [#uses=1] + %tmp5 = load i32* getelementptr ([0 x i32]* @X, i32 0, i32 4) ; <i32> [#uses=1] + %tmp6 = call i32 @f2( i32 %tmp, i32 %tmp3, i32 %tmp5 ) ; <i32> [#uses=1] + ret i32 %tmp6 +} + +define i32 @t3() { +; CHECK-LABEL: t3: +; CHECK: push {r7, lr} +; CHECK: ldm +; CHECK: pop {r7, pc} + %tmp = load i32* getelementptr ([0 x i32]* @X, i32 0, i32 1) ; <i32> [#uses=1] + %tmp3 = load i32* getelementptr ([0 x i32]* @X, i32 0, i32 2) ; <i32> [#uses=1] + %tmp5 = load i32* getelementptr ([0 x i32]* @X, i32 0, i32 3) ; <i32> [#uses=1] + %tmp6 = call i32 @f2( i32 %tmp, i32 %tmp3, i32 %tmp5 ) ; <i32> [#uses=1] + ret i32 %tmp6 +} + +declare i32 @f1(i32, i32) + +declare i32 @f2(i32, i32, i32) |