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-rw-r--r--test/CodeGen/ARM/stack-alignment.ll164
1 files changed, 164 insertions, 0 deletions
diff --git a/test/CodeGen/ARM/stack-alignment.ll b/test/CodeGen/ARM/stack-alignment.ll
new file mode 100644
index 0000000..153f92e
--- /dev/null
+++ b/test/CodeGen/ARM/stack-alignment.ll
@@ -0,0 +1,164 @@
+; RUN: llc -verify-machineinstrs < %s -mtriple=armv4t | FileCheck %s -check-prefix=CHECK-v4A32
+; RUN: llc -verify-machineinstrs < %s -mtriple=armv7a | FileCheck %s -check-prefix=CHECK-v7A32
+; RUN: llc -verify-machineinstrs < %s -mtriple=thumbv7a | FileCheck %s -check-prefix=CHECK-THUMB2
+; FIXME: There are no tests for Thumb1 since dynamic stack alignment is not supported for
+; Thumb1.
+
+define i32 @f_bic_can_be_used_align() nounwind {
+entry:
+; CHECK-LABEL: f_bic_can_be_used_align:
+; CHECK-v7A32: bfc sp, #0, #8
+; CHECK-v4A32: bic sp, sp, #255
+; CHECK-THUMB2: mov r4, sp
+; CHECK-THUMB2-NEXT: bfc r4, #0, #8
+; CHECK-THUMB2-NEXT: mov sp, r4
+ %x = alloca i32, align 256
+ store volatile i32 0, i32* %x, align 256
+ ret i32 0
+}
+
+define i32 @f_too_large_for_bic_align() nounwind {
+entry:
+; CHECK-LABEL: f_too_large_for_bic_align:
+; CHECK-v7A32: bfc sp, #0, #9
+; CHECK-v4A32: lsr sp, sp, #9
+; CHECK-v4A32: lsl sp, sp, #9
+; CHECK-THUMB2: mov r4, sp
+; CHECK-THUMB2-NEXT: bfc r4, #0, #9
+; CHECK-THUMB2-NEXT: mov sp, r4
+ %x = alloca i32, align 512
+ store volatile i32 0, i32* %x, align 512
+ ret i32 0
+}
+
+define i8* @f_alignedDPRCS2Spills(double* %d) #0 {
+entry:
+; CHECK-LABEL: f_too_large_for_bic_align:
+; CHECK-v7A32: bfc sp, #0, #12
+; CHECK-v4A32: lsr sp, sp, #12
+; CHECK-v4A32: lsl sp, sp, #12
+; CHECK-THUMB2: bfc r4, #0, #12
+; CHECK-THUMB2-NEXT: mov sp, r4
+ %a = alloca i8, align 4096
+ %0 = load double* %d, align 4
+ %arrayidx1 = getelementptr inbounds double* %d, i32 1
+ %1 = load double* %arrayidx1, align 4
+ %arrayidx2 = getelementptr inbounds double* %d, i32 2
+ %2 = load double* %arrayidx2, align 4
+ %arrayidx3 = getelementptr inbounds double* %d, i32 3
+ %3 = load double* %arrayidx3, align 4
+ %arrayidx4 = getelementptr inbounds double* %d, i32 4
+ %4 = load double* %arrayidx4, align 4
+ %arrayidx5 = getelementptr inbounds double* %d, i32 5
+ %5 = load double* %arrayidx5, align 4
+ %arrayidx6 = getelementptr inbounds double* %d, i32 6
+ %6 = load double* %arrayidx6, align 4
+ %arrayidx7 = getelementptr inbounds double* %d, i32 7
+ %7 = load double* %arrayidx7, align 4
+ %arrayidx8 = getelementptr inbounds double* %d, i32 8
+ %8 = load double* %arrayidx8, align 4
+ %arrayidx9 = getelementptr inbounds double* %d, i32 9
+ %9 = load double* %arrayidx9, align 4
+ %arrayidx10 = getelementptr inbounds double* %d, i32 10
+ %10 = load double* %arrayidx10, align 4
+ %arrayidx11 = getelementptr inbounds double* %d, i32 11
+ %11 = load double* %arrayidx11, align 4
+ %arrayidx12 = getelementptr inbounds double* %d, i32 12
+ %12 = load double* %arrayidx12, align 4
+ %arrayidx13 = getelementptr inbounds double* %d, i32 13
+ %13 = load double* %arrayidx13, align 4
+ %arrayidx14 = getelementptr inbounds double* %d, i32 14
+ %14 = load double* %arrayidx14, align 4
+ %arrayidx15 = getelementptr inbounds double* %d, i32 15
+ %15 = load double* %arrayidx15, align 4
+ %arrayidx16 = getelementptr inbounds double* %d, i32 16
+ %16 = load double* %arrayidx16, align 4
+ %arrayidx17 = getelementptr inbounds double* %d, i32 17
+ %17 = load double* %arrayidx17, align 4
+ %arrayidx18 = getelementptr inbounds double* %d, i32 18
+ %18 = load double* %arrayidx18, align 4
+ %arrayidx19 = getelementptr inbounds double* %d, i32 19
+ %19 = load double* %arrayidx19, align 4
+ %arrayidx20 = getelementptr inbounds double* %d, i32 20
+ %20 = load double* %arrayidx20, align 4
+ %arrayidx21 = getelementptr inbounds double* %d, i32 21
+ %21 = load double* %arrayidx21, align 4
+ %arrayidx22 = getelementptr inbounds double* %d, i32 22
+ %22 = load double* %arrayidx22, align 4
+ %arrayidx23 = getelementptr inbounds double* %d, i32 23
+ %23 = load double* %arrayidx23, align 4
+ %arrayidx24 = getelementptr inbounds double* %d, i32 24
+ %24 = load double* %arrayidx24, align 4
+ %arrayidx25 = getelementptr inbounds double* %d, i32 25
+ %25 = load double* %arrayidx25, align 4
+ %arrayidx26 = getelementptr inbounds double* %d, i32 26
+ %26 = load double* %arrayidx26, align 4
+ %arrayidx27 = getelementptr inbounds double* %d, i32 27
+ %27 = load double* %arrayidx27, align 4
+ %arrayidx28 = getelementptr inbounds double* %d, i32 28
+ %28 = load double* %arrayidx28, align 4
+ %arrayidx29 = getelementptr inbounds double* %d, i32 29
+ %29 = load double* %arrayidx29, align 4
+ %div = fdiv double %29, %28
+ %div30 = fdiv double %div, %27
+ %div31 = fdiv double %div30, %26
+ %div32 = fdiv double %div31, %25
+ %div33 = fdiv double %div32, %24
+ %div34 = fdiv double %div33, %23
+ %div35 = fdiv double %div34, %22
+ %div36 = fdiv double %div35, %21
+ %div37 = fdiv double %div36, %20
+ %div38 = fdiv double %div37, %19
+ %div39 = fdiv double %div38, %18
+ %div40 = fdiv double %div39, %17
+ %div41 = fdiv double %div40, %16
+ %div42 = fdiv double %div41, %15
+ %div43 = fdiv double %div42, %14
+ %div44 = fdiv double %div43, %13
+ %div45 = fdiv double %div44, %12
+ %div46 = fdiv double %div45, %11
+ %div47 = fdiv double %div46, %10
+ %div48 = fdiv double %div47, %9
+ %div49 = fdiv double %div48, %8
+ %div50 = fdiv double %div49, %7
+ %div51 = fdiv double %div50, %6
+ %div52 = fdiv double %div51, %5
+ %div53 = fdiv double %div52, %4
+ %div54 = fdiv double %div53, %3
+ %div55 = fdiv double %div54, %2
+ %div56 = fdiv double %div55, %1
+ %div57 = fdiv double %div56, %0
+ %div58 = fdiv double %0, %1
+ %div59 = fdiv double %div58, %2
+ %div60 = fdiv double %div59, %3
+ %div61 = fdiv double %div60, %4
+ %div62 = fdiv double %div61, %5
+ %div63 = fdiv double %div62, %6
+ %div64 = fdiv double %div63, %7
+ %div65 = fdiv double %div64, %8
+ %div66 = fdiv double %div65, %9
+ %div67 = fdiv double %div66, %10
+ %div68 = fdiv double %div67, %11
+ %div69 = fdiv double %div68, %12
+ %div70 = fdiv double %div69, %13
+ %div71 = fdiv double %div70, %14
+ %div72 = fdiv double %div71, %15
+ %div73 = fdiv double %div72, %16
+ %div74 = fdiv double %div73, %17
+ %div75 = fdiv double %div74, %18
+ %div76 = fdiv double %div75, %19
+ %div77 = fdiv double %div76, %20
+ %div78 = fdiv double %div77, %21
+ %div79 = fdiv double %div78, %22
+ %div80 = fdiv double %div79, %23
+ %div81 = fdiv double %div80, %24
+ %div82 = fdiv double %div81, %25
+ %div83 = fdiv double %div82, %26
+ %div84 = fdiv double %div83, %27
+ %div85 = fdiv double %div84, %28
+ %div86 = fdiv double %div85, %29
+ %mul = fmul double %div57, %div86
+ %conv = fptosi double %mul to i32
+ %add.ptr = getelementptr inbounds i8* %a, i32 %conv
+ ret i8* %add.ptr
+}
generated by cgit v1.1 at 2024-12-22 11:15:43 +0000