diff options
Diffstat (limited to 'test/CodeGen/AArch64/global-merge-ignore-single-use.ll')
-rw-r--r-- | test/CodeGen/AArch64/global-merge-ignore-single-use.ll | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/test/CodeGen/AArch64/global-merge-ignore-single-use.ll b/test/CodeGen/AArch64/global-merge-ignore-single-use.ll new file mode 100644 index 000000000000..e6de4699132a --- /dev/null +++ b/test/CodeGen/AArch64/global-merge-ignore-single-use.ll @@ -0,0 +1,63 @@ +; RUN: llc -mtriple=aarch64-apple-ios -asm-verbose=false -aarch64-collect-loh=false \ +; RUN: -aarch64-global-merge -global-merge-group-by-use -global-merge-ignore-single-use \ +; RUN: %s -o - | FileCheck %s + +; We assume that globals of the same size aren't reordered inside a set. + +@m1 = internal global i32 0, align 4 +@n1 = internal global i32 0, align 4 +@o1 = internal global i32 0, align 4 + +; CHECK-LABEL: f1: +define void @f1(i32 %a1, i32 %a2) #0 { +; CHECK-NEXT: adrp x8, [[SET:__MergedGlobals]]@PAGE +; CHECK-NEXT: add x8, x8, [[SET]]@PAGEOFF +; CHECK-NEXT: stp w0, w1, [x8] +; CHECK-NEXT: ret + store i32 %a1, i32* @m1, align 4 + store i32 %a2, i32* @n1, align 4 + ret void +} + +@m2 = internal global i32 0, align 4 +@n2 = internal global i32 0, align 4 + +; CHECK-LABEL: f2: +define void @f2(i32 %a1, i32 %a2, i32 %a3) #0 { +; CHECK-NEXT: adrp x8, [[SET]]@PAGE +; CHECK-NEXT: add x8, x8, [[SET]]@PAGEOFF +; CHECK-NEXT: stp w0, w1, [x8] +; CHECK-NEXT: str w2, [x8, #8] +; CHECK-NEXT: ret + store i32 %a1, i32* @m1, align 4 + store i32 %a2, i32* @n1, align 4 + store i32 %a3, i32* @o1, align 4 + ret void +} + +; CHECK-LABEL: f3: +define void @f3(i32 %a1, i32 %a2) #0 { +; CHECK-NEXT: adrp x8, [[SET]]@PAGE +; CHECK-NEXT: add x8, x8, [[SET]]@PAGEOFF +; CHECK-NEXT: stp w0, w1, [x8, #12] +; CHECK-NEXT: ret + store i32 %a1, i32* @m2, align 4 + store i32 %a2, i32* @n2, align 4 + ret void +} + +@o2 = internal global i32 0, align 4 + +; CHECK-LABEL: f4: +define void @f4(i32 %a1) #0 { +; CHECK-NEXT: adrp x8, _o2@PAGE +; CHECK-NEXT: str w0, [x8, _o2@PAGEOFF] +; CHECK-NEXT: ret + store i32 %a1, i32* @o2, align 4 + ret void +} + +; CHECK-DAG: .zerofill __DATA,__bss,[[SET]],20,4 +; CHECK-DAG: .zerofill __DATA,__bss,_o2,4,2 + +attributes #0 = { nounwind } |