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| author | Justin Hibbits <jrh29@alumni.cwru.edu> | 2015-01-10 01:57:21 +0000 |
|---|---|---|
| committer | Justin Hibbits <jrh29@alumni.cwru.edu> | 2015-01-10 01:57:21 +0000 |
| commit | 654346e6f9a85a297db50bfa4867b4114e6f7228 (patch) | |
| tree | e0a651bb34103460c4f74ad7e83d7ecb5f88a05f /llvm/test | |
| parent | ad6b82dd5317fb329627eab6ea018bc34b6f65c4 (diff) | |
| download | bcm5719-llvm-654346e6f9a85a297db50bfa4867b4114e6f7228.tar.gz bcm5719-llvm-654346e6f9a85a297db50bfa4867b4114e6f7228.zip | |
Fully fix Bug #22115.
Summary:
In the previous commit, the register was saved, but space was not allocated.
This resulted in the parameter save area potentially clobbering r30, leading to
nasty results.
Test Plan: Tests updated
Reviewers: hfinkel
Subscribers: llvm-commits
Differential Revision: http://reviews.llvm.org/D6906
llvm-svn: 225573
Diffstat (limited to 'llvm/test')
| -rw-r--r-- | llvm/test/CodeGen/PowerPC/ppc32-pic-large.ll | 8 | ||||
| -rw-r--r-- | llvm/test/CodeGen/PowerPC/ppc32-pic.ll | 12 |
2 files changed, 15 insertions, 5 deletions
diff --git a/llvm/test/CodeGen/PowerPC/ppc32-pic-large.ll b/llvm/test/CodeGen/PowerPC/ppc32-pic-large.ll index ac638dfec09..bb906ec78d1 100644 --- a/llvm/test/CodeGen/PowerPC/ppc32-pic-large.ll +++ b/llvm/test/CodeGen/PowerPC/ppc32-pic-large.ll @@ -1,9 +1,12 @@ ; RUN: llc < %s -mtriple=powerpc-unknown-linux-gnu -relocation-model=pic | FileCheck -check-prefix=LARGE-BSS %s @bar = common global i32 0, align 4 +declare i32 @call_foo(i32, ...) + define i32 @foo() { entry: %0 = load i32* @bar, align 4 + %call = call i32 (i32, ...)* @call_foo(i32 %0, i32 0, i32 1, i32 2, i32 4, i32 8, i32 16, i32 32, i32 64) ret i32 %0 } @@ -18,8 +21,9 @@ entry: ; LARGE-BSS: mflr 30 ; LARGE-BSS: lwz [[REG:[0-9]+]], [[POFF]]-[[PB]](30) ; LARGE-BSS-NEXT: add 30, [[REG]], 30 -; LARGE-BSS: lwz [[VREG:[0-9]+]], [[VREF:\.LC[0-9]+]]-.LTOC(30) +; LARGE-BSS-DAG: lwz [[VREG:[0-9]+]], [[VREF:\.LC[0-9]+]]-.LTOC(30) ; LARGE-BSS-DAG: lwz {{[0-9]+}}, 0([[VREG]]) -; LARGE-BSS-DAG: lwz 30, -8(1) +; LARGE-BSS-DAG: stw {{[0-9]+}}, 8(1) +; LARGE-BSS: lwz 30, -8(1) ; LARGE-BSS: [[VREF]]: ; LARGE-BSS-NEXT: .long bar diff --git a/llvm/test/CodeGen/PowerPC/ppc32-pic.ll b/llvm/test/CodeGen/PowerPC/ppc32-pic.ll index 0ea50824579..abc13675717 100644 --- a/llvm/test/CodeGen/PowerPC/ppc32-pic.ll +++ b/llvm/test/CodeGen/PowerPC/ppc32-pic.ll @@ -1,18 +1,24 @@ ; RUN: llc < %s -mtriple=powerpc-unknown-linux-gnu -relocation-model=pic | FileCheck -check-prefix=SMALL-BSS %s @bar = common global i32 0, align 4 +declare i32 @call_foo(i32, ...) + define i32 @foo() { entry: %0 = load i32* @bar, align 4 - ret i32 %0 + %call = call i32 (i32, ...)* @call_foo(i32 %0, i32 0, i32 1, i32 2, i32 4, i32 8, i32 16, i32 32, i32 64) + ret i32 0 } !llvm.module.flags = !{!0} !0 = !{i32 1, !"PIC Level", i32 1} ; SMALL-BSS-LABEL:foo: ; SMALL-BSS: stw 30, -8(1) +; SMALL-BSS: stwu 1, -32(1) ; SMALL-BSS: bl _GLOBAL_OFFSET_TABLE_@local-4 ; SMALL-BSS: mflr 30 -; SMALL-BSS: lwz [[VREG:[0-9]+]], bar@GOT(30) +; SMALL-BSS-DAG: stw {{[0-9]+}}, 8(1) +; SMALL-BSS-DAG: lwz [[VREG:[0-9]+]], bar@GOT(30) ; SMALL-BSS-DAG: lwz {{[0-9]+}}, 0([[VREG]]) -; SMALL-BSS-DAG: lwz 30, -8(1) +; SMALL-BSS: bl call_foo@PLT +; SMALL-BSS: lwz 30, -8(1) |
