diff options
Diffstat (limited to 'llvm/test/CodeGen/Thumb2/thumb2-ldm.ll')
| -rw-r--r-- | llvm/test/CodeGen/Thumb2/thumb2-ldm.ll | 55 |
1 files changed, 45 insertions, 10 deletions
diff --git a/llvm/test/CodeGen/Thumb2/thumb2-ldm.ll b/llvm/test/CodeGen/Thumb2/thumb2-ldm.ll index 28903aca326..a5b47411124 100644 --- a/llvm/test/CodeGen/Thumb2/thumb2-ldm.ll +++ b/llvm/test/CodeGen/Thumb2/thumb2-ldm.ll @@ -1,12 +1,15 @@ -; RUN: llc < %s -mtriple=thumbv7-apple-ios -mattr=+thumb2 | FileCheck %s +; RUN: llc < %s -mtriple=thumbv7-apple-ios -mattr=+thumb2 | FileCheck %s -check-prefix=ALL -check-prefix=CHECK +; RUN: llc < %s -mtriple=thumbv7-apple-ios -mattr=+thumb2 -arm-assume-misaligned-load-store | FileCheck %s -check-prefix=ALL -check-prefix=CONSERVATIVE @X = external global [0 x i32] ; <[0 x i32]*> [#uses=5] define i32 @t1() { -; CHECK-LABEL: t1: -; CHECK: push {r7, lr} +; ALL-LABEL: t1: +; ALL: push {r7, lr} ; CHECK: ldrd -; CHECK: pop {r7, pc} +; CONSERVATIVE-NOT: ldrd +; CONSERVATIVE-NOT: ldm +; ALL: pop {r7, pc} %tmp = load i32, i32* getelementptr ([0 x i32], [0 x i32]* @X, i32 0, i32 0) ; <i32> [#uses=1] %tmp3 = load i32, i32* getelementptr ([0 x i32], [0 x i32]* @X, i32 0, i32 1) ; <i32> [#uses=1] %tmp4 = call i32 @f1( i32 %tmp, i32 %tmp3 ) ; <i32> [#uses=1] @@ -14,10 +17,12 @@ define i32 @t1() { } define i32 @t2() { -; CHECK-LABEL: t2: -; CHECK: push {r7, lr} +; ALL-LABEL: t2: +; ALL: push {r7, lr} ; CHECK: ldm -; CHECK: pop {r7, pc} +; CONSERVATIVE-NOT: ldrd +; CONSERVATIVE-NOT: ldm +; ALL: pop {r7, pc} %tmp = load i32, i32* getelementptr ([0 x i32], [0 x i32]* @X, i32 0, i32 2) ; <i32> [#uses=1] %tmp3 = load i32, i32* getelementptr ([0 x i32], [0 x i32]* @X, i32 0, i32 3) ; <i32> [#uses=1] %tmp5 = load i32, i32* getelementptr ([0 x i32], [0 x i32]* @X, i32 0, i32 4) ; <i32> [#uses=1] @@ -26,10 +31,12 @@ define i32 @t2() { } define i32 @t3() { -; CHECK-LABEL: t3: -; CHECK: push {r7, lr} +; ALL-LABEL: t3: +; ALL: push {r7, lr} ; CHECK: ldm -; CHECK: pop {r7, pc} +; CONSERVATIVE-NOT: ldrd +; CONSERVATIVE-NOT: ldm +; ALL: pop {r7, pc} %tmp = load i32, i32* getelementptr ([0 x i32], [0 x i32]* @X, i32 0, i32 1) ; <i32> [#uses=1] %tmp3 = load i32, i32* getelementptr ([0 x i32], [0 x i32]* @X, i32 0, i32 2) ; <i32> [#uses=1] %tmp5 = load i32, i32* getelementptr ([0 x i32], [0 x i32]* @X, i32 0, i32 3) ; <i32> [#uses=1] @@ -37,6 +44,34 @@ define i32 @t3() { ret i32 %tmp6 } +@g = common global i32* null + +define void @t4(i32 %a0, i32 %a1, i32 %a2) { +; ALL-LABEL: t4: +; ALL: stm.w sp, {r0, r1, r2} +; ALL: blx _ext +; ALL: ldm.w sp, {r0, r1, r2} +; ALL: blx _f2 + %arr = alloca [4 x i32], align 4 + %p0 = getelementptr inbounds [4 x i32], [4 x i32]* %arr, i64 0, i64 0 + %p1 = getelementptr inbounds [4 x i32], [4 x i32]* %arr, i64 0, i64 1 + %p2 = getelementptr inbounds [4 x i32], [4 x i32]* %arr, i64 0, i64 2 + store i32* %p0, i32** @g, align 8 + + store i32 %a0, i32* %p0, align 4 + store i32 %a1, i32* %p1, align 4 + store i32 %a2, i32* %p2, align 4 + call void @ext() + + %v0 = load i32, i32* %p0, align 4 + %v1 = load i32, i32* %p1, align 4 + %v2 = load i32, i32* %p2, align 4 + call i32 @f2(i32 %v0, i32 %v1, i32 %v2) + ret void +} + declare i32 @f1(i32, i32) declare i32 @f2(i32, i32, i32) + +declare void @ext() |
