Fix possible infinite loop in shrink wrapping when searching for save/restore

[oota-llvm.git] / test / CodeGen / ARM / load-global.ll

diff --git a/test/CodeGen/ARM/load-global.ll b/test/CodeGen/ARM/load-global.ll
index 56a4a477f510cd817f6d08ecba23a8b7ddad8db6..34748bc848bdb3d2c7297f29b53e77afc1239aad 100644 (file)
--- a/test/CodeGen/ARM/load-global.ll
+++ b/test/CodeGen/ARM/load-global.ll
@@ -1,15 +1,50 @@
-; RUN: llc < %s -mtriple=arm-apple-darwin -relocation-model=static | \
-; RUN:   not grep {L_G\$non_lazy_ptr}
-; RUN: llc < %s -mtriple=arm-apple-darwin -relocation-model=dynamic-no-pic | \
-; RUN:   grep {L_G\$non_lazy_ptr} | count 2
-; RUN: llc < %s -mtriple=arm-apple-darwin -relocation-model=pic | \
-; RUN:   grep {ldr.*pc} | count 1
-; RUN: llc < %s -mtriple=arm-linux-gnueabi -relocation-model=pic | \
-; RUN:   grep {GOT} | count 1
+; RUN: llc < %s -mtriple=armv6-apple-darwin -relocation-model=static | FileCheck %s -check-prefix=STATIC
+; RUN: llc < %s -mtriple=armv6-apple-darwin -relocation-model=dynamic-no-pic | FileCheck %s -check-prefix=DYNAMIC
+; RUN: llc < %s -mtriple=armv6-apple-darwin -relocation-model=pic | FileCheck %s -check-prefix=PIC
+; RUN: llc < %s -mtriple=thumbv6-apple-darwin -relocation-model=pic | FileCheck %s -check-prefix=PIC_T
+; RUN: llc < %s -mtriple=armv7-apple-darwin -relocation-model=pic | FileCheck %s -check-prefix=PIC_V7
+; RUN: llc < %s -mtriple=armv6-linux-gnueabi -relocation-model=pic | FileCheck %s -check-prefix=LINUX
 
 @G = external global i32
 
 define i32 @test1() {
-       %tmp = load i32* @G
+; STATIC: _test1:
+; STATIC: ldr r0, LCPI0_0
+; STATIC: ldr r0, [r0]
+; STATIC: .long _G
+
+; DYNAMIC: _test1:
+; DYNAMIC: ldr r0, LCPI0_0
+; DYNAMIC: ldr r0, [r0]
+; DYNAMIC: ldr r0, [r0]
+; DYNAMIC: .long L_G$non_lazy_ptr
+
+; PIC: _test1
+; PIC: ldr r0, LCPI0_0
+; PIC: ldr r0, [pc, r0]
+; PIC: ldr r0, [r0]
+; PIC: .long L_G$non_lazy_ptr-(LPC0_0+8)
+
+; PIC_T: _test1
+; PIC_T: ldr r0, LCPI0_0
+; PIC_T: add r0, pc
+; PIC_T: ldr r0, [r0]
+; PIC_T: ldr r0, [r0]
+; PIC_T: .long L_G$non_lazy_ptr-(LPC0_0+4)
+
+; PIC_V7: _test1
+; PIC_V7: movw r0, :lower16:(L_G$non_lazy_ptr-(LPC0_0+8))
+; PIC_V7: movt r0, :upper16:(L_G$non_lazy_ptr-(LPC0_0+8))
+; PIC_V7: ldr r0, [pc, r0]
+; PIC_V7: ldr r0, [r0]
+
+; LINUX: test1
+; LINUX: ldr r0, .LCPI0_0
+; LINUX: ldr r1, .LCPI0_1
+; LINUX: add r0, pc, r0
+; LINUX: ldr r0, [r1, r0]
+; LINUX: ldr r0, [r0]
+; LINUX: .long G(GOT)
+       %tmp = load i32, i32* @G
        ret i32 %tmp
 }