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Diffstat (limited to 'test/CodeGen/Thumb2/aligned-spill.ll')
| -rw-r--r-- | test/CodeGen/Thumb2/aligned-spill.ll | 95 |
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 |
