-; RUN: llc < %s -O0 -fast-isel-abort -relocation-model=dynamic-no-pic -mtriple=armv7-apple-darwin | FileCheck %s --check-prefix=ARM
-; RUN: llc < %s -O0 -fast-isel-abort -relocation-model=dynamic-no-pic -mtriple=thumbv7-apple-darwin | FileCheck %s --check-prefix=THUMB
+; RUN: llc < %s -O0 -fast-isel-abort -relocation-model=dynamic-no-pic -mtriple=armv7-apple-ios | FileCheck %s --check-prefix=ARM
+; RUN: llc < %s -O0 -fast-isel-abort -relocation-model=dynamic-no-pic -mtriple=thumbv7-apple-ios | FileCheck %s --check-prefix=THUMB
+; RUN: llc < %s -O0 -arm-strict-align -relocation-model=dynamic-no-pic -mtriple=armv7-apple-ios | FileCheck %s --check-prefix=ARM-STRICT-ALIGN
+; RUN: llc < %s -O0 -arm-strict-align -relocation-model=dynamic-no-pic -mtriple=thumbv7-apple-ios | FileCheck %s --check-prefix=THUMB-STRICT-ALIGN
; Very basic fast-isel functionality.
define i32 @add(i32 %a, i32 %b) nounwind {
store i32 %b, i32* @test4g
ret void
-; THUMB: ldr.n r0, LCPI4_1
+; THUMB: movw r0, :lower16:L_test4g$non_lazy_ptr
+; THUMB: movt r0, :upper16:L_test4g$non_lazy_ptr
; THUMB: ldr r0, [r0]
-; THUMB: ldr r0, [r0]
-; THUMB: adds r0, #1
-; THUMB: ldr.n r1, LCPI4_0
-; THUMB: ldr r1, [r1]
-; THUMB: str r0, [r1]
+; THUMB: ldr r1, [r0]
+; THUMB: adds r1, #1
+; THUMB: str r1, [r0]
-; ARM: ldr r0, LCPI4_1
-; ARM: ldr r0, [r0]
+; ARM: movw r0, :lower16:L_test4g$non_lazy_ptr
+; ARM: movt r0, :upper16:L_test4g$non_lazy_ptr
; ARM: ldr r0, [r0]
-; ARM: add r0, r0, #1
-; ARM: ldr r1, LCPI4_0
-; ARM: ldr r1, [r1]
-; ARM: str r0, [r1]
+; ARM: ldr r1, [r0]
+; ARM: add r1, r1, #1
+; ARM: str r1, [r0]
+}
+
+; Check unaligned stores
+%struct.anon = type <{ float }>
+
+@a = common global %struct.anon* null, align 4
+
+define void @unaligned_store(float %x, float %y) nounwind {
+entry:
+; ARM: @unaligned_store
+; ARM: vmov r1, s0
+; ARM: str r1, [r0]
+
+; THUMB: @unaligned_store
+; THUMB: vmov r1, s0
+; THUMB: str r1, [r0]
+
+ %add = fadd float %x, %y
+ %0 = load %struct.anon** @a, align 4
+ %x1 = getelementptr inbounds %struct.anon* %0, i32 0, i32 0
+ store float %add, float* %x1, align 1
+ ret void
+}
+
+; Doublewords require only word-alignment.
+; rdar://10528060
+%struct.anon.0 = type { double }
+
+@foo_unpacked = common global %struct.anon.0 zeroinitializer, align 4
+
+define void @test5(double %a, double %b) nounwind {
+entry:
+; ARM: @test5
+; THUMB: @test5
+ %add = fadd double %a, %b
+ store double %add, double* getelementptr inbounds (%struct.anon.0* @foo_unpacked, i32 0, i32 0), align 4
+; ARM: vstr d16, [r0]
+; THUMB: vstr d16, [r0]
+ ret void
+}
+
+; Check unaligned loads of floats
+%class.TAlignTest = type <{ i16, float }>
+
+define zeroext i1 @test6(%class.TAlignTest* %this) nounwind align 2 {
+entry:
+; ARM: @test6
+; THUMB: @test6
+ %0 = alloca %class.TAlignTest*, align 4
+ store %class.TAlignTest* %this, %class.TAlignTest** %0, align 4
+ %1 = load %class.TAlignTest** %0
+ %2 = getelementptr inbounds %class.TAlignTest* %1, i32 0, i32 1
+ %3 = load float* %2, align 1
+ %4 = fcmp une float %3, 0.000000e+00
+; ARM: ldr r0, [r0, #2]
+; ARM: vmov s0, r0
+; ARM: vcmpe.f32 s0, #0
+; THUMB: ldr.w r0, [r0, #2]
+; THUMB: vmov s0, r0
+; THUMB: vcmpe.f32 s0, #0
+ ret i1 %4
+}
+
+; ARM: @urem_fold
+; THUMB: @urem_fold
+; ARM: and r0, r0, #31
+; THUMB: and r0, r0, #31
+define i32 @urem_fold(i32 %a) nounwind {
+ %rem = urem i32 %a, 32
+ ret i32 %rem
+}
+
+define i32 @test7() noreturn nounwind {
+entry:
+; ARM: @test7
+; THUMB: @test7
+; ARM: trap
+; THUMB: trap
+ tail call void @llvm.trap( )
+ unreachable
+}
+
+declare void @llvm.trap() nounwind
+
+define void @unaligned_i16_store(i16 %x, i16* %y) nounwind {
+entry:
+; ARM-STRICT-ALIGN: @unaligned_i16_store
+; ARM-STRICT-ALIGN: strb
+; ARM-STRICT-ALIGN: strb
+
+; THUMB-STRICT-ALIGN: @unaligned_i16_store
+; THUMB-STRICT-ALIGN: strb
+; THUMB-STRICT-ALIGN: strb
+
+ store i16 %x, i16* %y, align 1
+ ret void
+}
+
+define i16 @unaligned_i16_load(i16* %x) nounwind {
+entry:
+; ARM-STRICT-ALIGN: @unaligned_i16_load
+; ARM-STRICT-ALIGN: ldrb
+; ARM-STRICT-ALIGN: ldrb
+
+; THUMB-STRICT-ALIGN: @unaligned_i16_load
+; THUMB-STRICT-ALIGN: ldrb
+; THUMB-STRICT-ALIGN: ldrb
+
+ %0 = load i16* %x, align 1
+ ret i16 %0
+}
+
+define void @unaligned_i32_store(i32 %x, i32* %y) nounwind {
+entry:
+; ARM-STRICT-ALIGN: @unaligned_i32_store
+; ARM-STRICT-ALIGN: strb
+; ARM-STRICT-ALIGN: strb
+; ARM-STRICT-ALIGN: strb
+; ARM-STRICT-ALIGN: strb
+
+; THUMB-STRICT-ALIGN: @unaligned_i32_store
+; THUMB-STRICT-ALIGN: strb
+; THUMB-STRICT-ALIGN: strb
+; THUMB-STRICT-ALIGN: strb
+; THUMB-STRICT-ALIGN: strb
+
+ store i32 %x, i32* %y, align 1
+ ret void
+}
+
+define i32 @unaligned_i32_load(i32* %x) nounwind {
+entry:
+; ARM-STRICT-ALIGN: @unaligned_i32_load
+; ARM-STRICT-ALIGN: ldrb
+; ARM-STRICT-ALIGN: ldrb
+; ARM-STRICT-ALIGN: ldrb
+; ARM-STRICT-ALIGN: ldrb
+
+; THUMB-STRICT-ALIGN: @unaligned_i32_load
+; THUMB-STRICT-ALIGN: ldrb
+; THUMB-STRICT-ALIGN: ldrb
+; THUMB-STRICT-ALIGN: ldrb
+; THUMB-STRICT-ALIGN: ldrb
+
+ %0 = load i32* %x, align 1
+ ret i32 %0
}
projects / oota-llvm.git / blobdiff