aboutsummaryrefslogtreecommitdiff
path: root/test/CodeGen/Thumb2/aligned-spill.ll
diff options
context:
space:
mode:
Diffstat (limited to 'test/CodeGen/Thumb2/aligned-spill.ll')
-rw-r--r--test/CodeGen/Thumb2/aligned-spill.ll95
1 files changed, 0 insertions, 95 deletions
diff --git a/test/CodeGen/Thumb2/aligned-spill.ll b/test/CodeGen/Thumb2/aligned-spill.ll
deleted file mode 100644
index e3db73236c8d..000000000000
--- a/test/CodeGen/Thumb2/aligned-spill.ll
+++ /dev/null
@@ -1,95 +0,0 @@
-; RUN: llc < %s -mcpu=cortex-a8 -align-neon-spills=0 | FileCheck %s
-; RUN: llc < %s -mcpu=cortex-a8 -align-neon-spills=1 | FileCheck %s --check-prefix=NEON
-target datalayout = "e-p:32:32:32-i1:8:32-i8:8:32-i16:16:32-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:32:64-v128:32:128-a0:0:32-n32-S32"
-target triple = "thumbv7-apple-ios"
-
-; CHECK: f
-; This function is forced to spill a double.
-; Verify that the spill slot is properly aligned.
-;
-; The caller-saved r4 is used as a scratch register for stack realignment.
-; CHECK: push {r4, r7, lr}
-; CHECK: bfc r4, #0, #3
-; CHECK: mov sp, r4
-define void @f(double* nocapture %p) nounwind ssp "no-frame-pointer-elim"="true" {
-entry:
- %0 = load double, double* %p, align 4
- tail call void asm sideeffect "", "~{d8},~{d9},~{d10},~{d11},~{d12},~{d13},~{d14},~{d15}"() nounwind
- tail call void @g() nounwind
- store double %0, double* %p, align 4
- ret void
-}
-
-; NEON: f
-; NEON: push {r4, r7, lr}
-; NEON: sub.w r4, sp, #64
-; NEON: bfc r4, #0, #4
-; Stack pointer must be updated before the spills.
-; NEON: mov sp, r4
-; NEON: vst1.64 {d8, d9, d10, d11}, [r4:128]!
-; NEON: vst1.64 {d12, d13, d14, d15}, [r4:128]
-; Stack pointer adjustment for the stack frame contents.
-; This could legally happen before the spills.
-; Since the spill slot is only 8 bytes, technically it would be fine to only
-; subtract #8 here. That would leave sp less aligned than some stack slots,
-; and would probably blow MFI's mind.
-; NEON: sub sp, #16
-; The epilog is free to use another scratch register than r4.
-; NEON: add r[[R4:[0-9]+]], sp, #16
-; NEON: vld1.64 {d8, d9, d10, d11}, [r[[R4]]:128]!
-; NEON: vld1.64 {d12, d13, d14, d15}, [r[[R4]]:128]
-; The stack pointer restore must happen after the reloads.
-; NEON: mov sp,
-; NEON: pop
-
-declare void @g()
-
-; Spill 7 d-registers.
-define void @f7(double* nocapture %p) nounwind ssp "no-frame-pointer-elim"="true" {
-entry:
- tail call void asm sideeffect "", "~{d8},~{d9},~{d10},~{d11},~{d12},~{d13},~{d14}"() nounwind
- ret void
-}
-
-; NEON: f7
-; NEON: push {r4, r7, lr}
-; NEON: sub.w r4, sp, #56
-; NEON: bfc r4, #0, #4
-; Stack pointer must be updated before the spills.
-; NEON: mov sp, r4
-; NEON: vst1.64 {d8, d9, d10, d11}, [r4:128]!
-; NEON: vst1.64 {d12, d13}, [r4:128]
-; NEON: vstr d14, [r4, #16]
-; Epilog
-; NEON: vld1.64 {d8, d9, d10, d11},
-; NEON: vld1.64 {d12, d13},
-; NEON: vldr d14,
-; The stack pointer restore must happen after the reloads.
-; NEON: mov sp,
-; NEON: pop
-
-; Spill 7 d-registers, leave a hole.
-define void @f3plus4(double* nocapture %p) nounwind ssp "no-frame-pointer-elim"="true" {
-entry:
- tail call void asm sideeffect "", "~{d8},~{d9},~{d10},~{d12},~{d13},~{d14},~{d15}"() nounwind
- ret void
-}
-
-; Aligned spilling only works for contiguous ranges starting from d8.
-; The rest goes to the standard vpush instructions.
-; NEON: f3plus4
-; NEON: push {r4, r7, lr}
-; NEON: vpush {d12, d13, d14, d15}
-; NEON: sub.w r4, sp, #24
-; NEON: bfc r4, #0, #4
-; Stack pointer must be updated before the spills.
-; NEON: mov sp, r4
-; NEON: vst1.64 {d8, d9}, [r4:128]
-; NEON: vstr d10, [r4, #16]
-; Epilog
-; NEON: vld1.64 {d8, d9},
-; NEON: vldr d10, [{{.*}}, #16]
-; The stack pointer restore must happen after the reloads.
-; NEON: mov sp,
-; NEON: vpop {d12, d13, d14, d15}
-; NEON: pop