1 files changed, 230 insertions, 0 deletions
diff --git a/test/CodeGen/AArch64/arm64-inline-asm.ll b/test/CodeGen/AArch64/arm64-inline-asm.ll
new file mode 100644
index 0000000000..d76cca3f21
--- /dev/null
+++ b/test/CodeGen/AArch64/arm64-inline-asm.ll
@@ -0,0 +1,230 @@
+; RUN: llc < %s -march=arm64 -aarch64-neon-syntax=apple -no-integrated-as | FileCheck %s
+
+; rdar://9167275
+
+define i32 @t1() nounwind ssp {
+entry:
+; CHECK-LABEL: t1:
+; CHECK: mov {{w[0-9]+}}, 7
+  %0 = tail call i32 asm "mov ${0:w}, 7", "=r"() nounwind
+  ret i32 %0
+}
+
+define i64 @t2() nounwind ssp {
+entry:
+; CHECK-LABEL: t2:
+; CHECK: mov {{x[0-9]+}}, 7
+  %0 = tail call i64 asm "mov $0, 7", "=r"() nounwind
+  ret i64 %0
+}
+
+define i64 @t3() nounwind ssp {
+entry:
+; CHECK-LABEL: t3:
+; CHECK: mov {{w[0-9]+}}, 7
+  %0 = tail call i64 asm "mov ${0:w}, 7", "=r"() nounwind
+  ret i64 %0
+}
+
+; rdar://9281206
+
+define void @t4(i64 %op) nounwind {
+entry:
+; CHECK-LABEL: t4:
+; CHECK: mov x0, {{x[0-9]+}}; svc #0
+  %0 = tail call i64 asm sideeffect "mov x0, $1; svc #0;", "=r,r,r,~{x0}"(i64 %op, i64 undef) nounwind
+  ret void
+}
+
+; rdar://9394290
+
+define float @t5(float %x) nounwind {
+entry:
+; CHECK-LABEL: t5:
+; CHECK: fadd {{s[0-9]+}}, {{s[0-9]+}}, {{s[0-9]+}}
+  %0 = tail call float asm "fadd ${0:s}, ${0:s}, ${0:s}", "=w,0"(float %x) nounwind
+  ret float %0
+}
+
+; rdar://9553599
+
+define zeroext i8 @t6(i8* %src) nounwind {
+entry:
+; CHECK-LABEL: t6:
+; CHECK: ldtrb {{w[0-9]+}}, [{{x[0-9]+}}]
+  %0 = tail call i8 asm "ldtrb ${0:w}, [$1]", "=r,r"(i8* %src) nounwind
+  ret i8 %0
+}
+
+define void @t7(i8* %f, i32 %g) nounwind {
+entry:
+  %f.addr = alloca i8*, align 8
+  store i8* %f, i8** %f.addr, align 8
+  ; CHECK-LABEL: t7:
+  ; CHECK: str {{w[0-9]+}}, [{{x[0-9]+}}]
+  call void asm "str ${1:w}, $0", "=*Q,r"(i8** %f.addr, i32 %g) nounwind
+  ret void
+}
+
+; rdar://10258229
+; ARM64TargetLowering::getRegForInlineAsmConstraint() should recognize 'v'
+; registers.
+define void @t8() nounwind ssp {
+entry:
+; CHECK-LABEL: t8:
+; CHECK: stp {{d[0-9]+}}, {{d[0-9]+}}, [sp, #-16]
+  tail call void asm sideeffect "nop", "~{v8}"() nounwind
+  ret void
+}
+
+define i32 @constraint_I(i32 %i, i32 %j) nounwind {
+entry:
+  ; CHECK-LABEL: constraint_I:
+  %0 = tail call i32 asm sideeffect "add ${0:w}, ${1:w}, $2", "=r,r,I"(i32 %i, i32 16773120) nounwind
+  ; CHECK: add   {{w[0-9]+}}, {{w[0-9]+}}, #16773120
+  %1 = tail call i32 asm sideeffect "add ${0:w}, ${1:w}, $2", "=r,r,I"(i32 %i, i32 4096) nounwind
+  ; CHECK: add   {{w[0-9]+}}, {{w[0-9]+}}, #4096
+  ret i32 %1
+}
+
+define i32 @constraint_J(i32 %i, i32 %j) nounwind {
+entry:
+  ; CHECK-LABEL: constraint_J:
+  %0 = tail call i32 asm sideeffect "sub ${0:w}, ${1:w}, $2", "=r,r,J"(i32 %i, i32 -16773120) nounwind
+  ; CHECK: sub   {{w[0-9]+}}, {{w[0-9]+}}, #4278194176
+  %1 = tail call i32 asm sideeffect "sub ${0:w}, ${1:w}, $2", "=r,r,J"(i32 %i, i32 -1) nounwind
+  ; CHECK: sub   {{w[0-9]+}}, {{w[0-9]+}}, #4294967295
+  ret i32 %1
+}
+
+define i32 @constraint_KL(i32 %i, i32 %j) nounwind {
+entry:
+  ; CHECK-LABEL: constraint_KL:
+  %0 = tail call i32 asm sideeffect "eor ${0:w}, ${1:w}, $2", "=r,r,K"(i32 %i, i32 255) nounwind
+  ; CHECK: eor {{w[0-9]+}}, {{w[0-9]+}}, #255
+  %1 = tail call i32 asm sideeffect "eor ${0:w}, ${1:w}, $2", "=r,r,L"(i32 %i, i64 16711680) nounwind
+  ; CHECK: eor {{w[0-9]+}}, {{w[0-9]+}}, #16711680
+  ret i32 %1
+}
+
+define i32 @constraint_MN(i32 %i, i32 %j) nounwind {
+entry:
+  ; CHECK-LABEL: constraint_MN:
+  %0 = tail call i32 asm sideeffect "movk ${0:w}, $1", "=r,M"(i32 65535) nounwind
+  ; CHECK: movk  {{w[0-9]+}}, #65535
+  %1 = tail call i32 asm sideeffect "movz ${0:w}, $1", "=r,N"(i64 0) nounwind
+  ; CHECK: movz  {{w[0-9]+}}, #0
+  ret i32 %1
+}
+
+define void @t9() nounwind {
+entry:
+  ; CHECK-LABEL: t9:
+  %data = alloca <2 x double>, align 16
+  %0 = load <2 x double>* %data, align 16
+  call void asm sideeffect "mov.2d v4, $0\0A", "w,~{v4}"(<2 x double> %0) nounwind
+  ; CHECK: mov.2d v4, {{v[0-9]+}}
+  ret void
+}
+
+define void @t10() nounwind {
+entry:
+  ; CHECK-LABEL: t10:
+  %data = alloca <2 x float>, align 8
+  %a = alloca [2 x float], align 4
+  %arraydecay = getelementptr inbounds [2 x float]* %a, i32 0, i32 0
+  %0 = load <2 x float>* %data, align 8
+  call void asm sideeffect "ldr ${1:q}, [$0]\0A", "r,w"(float* %arraydecay, <2 x float> %0) nounwind
+  ; CHECK: ldr {{q[0-9]+}}, [{{x[0-9]+}}]
+  call void asm sideeffect "ldr ${1:d}, [$0]\0A", "r,w"(float* %arraydecay, <2 x float> %0) nounwind
+  ; CHECK: ldr {{d[0-9]+}}, [{{x[0-9]+}}]
+  call void asm sideeffect "ldr ${1:s}, [$0]\0A", "r,w"(float* %arraydecay, <2 x float> %0) nounwind
+  ; CHECK: ldr {{s[0-9]+}}, [{{x[0-9]+}}]
+  call void asm sideeffect "ldr ${1:h}, [$0]\0A", "r,w"(float* %arraydecay, <2 x float> %0) nounwind
+  ; CHECK: ldr {{h[0-9]+}}, [{{x[0-9]+}}]
+  call void asm sideeffect "ldr ${1:b}, [$0]\0A", "r,w"(float* %arraydecay, <2 x float> %0) nounwind
+  ; CHECK: ldr {{b[0-9]+}}, [{{x[0-9]+}}]
+  ret void
+}
+
+define void @t11() nounwind {
+entry:
+  ; CHECK-LABEL: t11:
+  %a = alloca i32, align 4
+  %0 = load i32* %a, align 4
+  call void asm sideeffect "mov ${1:x}, ${0:x}\0A", "r,i"(i32 %0, i32 0) nounwind
+  ; CHECK: mov xzr, {{x[0-9]+}}
+  %1 = load i32* %a, align 4
+  call void asm sideeffect "mov ${1:w}, ${0:w}\0A", "r,i"(i32 %1, i32 0) nounwind
+  ; CHECK: mov wzr, {{w[0-9]+}}
+  ret void
+}
+
+define void @t12() nounwind {
+entry:
+  ; CHECK-LABEL: t12:
+  %data = alloca <4 x float>, align 16
+  %0 = load <4 x float>* %data, align 16
+  call void asm sideeffect "mov.2d v4, $0\0A", "x,~{v4}"(<4 x float> %0) nounwind
+  ; CHECK mov.2d v4, {{v([0-9])|(1[0-5])}}
+  ret void
+}
+
+define void @t13() nounwind {
+entry:
+  ; CHECK-LABEL: t13:
+  tail call void asm sideeffect "mov x4, $0\0A", "N"(i64 1311673391471656960) nounwind
+  ; CHECK: mov x4, #1311673391471656960
+  tail call void asm sideeffect "mov x4, $0\0A", "N"(i64 -4662) nounwind
+  ; CHECK: mov x4, #-4662
+  tail call void asm sideeffect "mov x4, $0\0A", "N"(i64 4660) nounwind
+  ; CHECK: mov x4, #4660
+  call void asm sideeffect "mov x4, $0\0A", "N"(i64 -71777214294589696) nounwind
+  ; CHECK: mov x4, #-71777214294589696
+  ret void
+}
+
+define void @t14() nounwind {
+entry:
+  ; CHECK-LABEL: t14:
+  tail call void asm sideeffect "mov w4, $0\0A", "M"(i32 305397760) nounwind
+  ; CHECK: mov w4, #305397760
+  tail call void asm sideeffect "mov w4, $0\0A", "M"(i32 -4662) nounwind
+  ; CHECK: mov w4, #4294962634
+  tail call void asm sideeffect "mov w4, $0\0A", "M"(i32 4660) nounwind
+  ; CHECK: mov w4, #4660
+  call void asm sideeffect "mov w4, $0\0A", "M"(i32 -16711936) nounwind
+  ; CHECK: mov w4, #4278255360
+  ret void
+}
+
+define void @t15() nounwind {
+entry:
+  %0 = tail call double asm sideeffect "fmov $0, d8", "=r"() nounwind
+  ; CHECK: fmov {{x[0-9]+}}, d8
+  ret void
+}
+
+; rdar://problem/14285178
+
+define void @test_zero_reg(i32* %addr) {
+; CHECK-LABEL: test_zero_reg:
+
+  tail call void asm sideeffect "USE($0)", "z"(i32 0) nounwind
+; CHECK: USE(xzr)
+
+  tail call void asm sideeffect "USE(${0:w})", "zr"(i32 0)
+; CHECK: USE(wzr)
+
+  tail call void asm sideeffect "USE(${0:w})", "zr"(i32 1)
+; CHECK: orr [[VAL1:w[0-9]+]], wzr, #0x1
+; CHECK: USE([[VAL1]])
+
+  tail call void asm sideeffect "USE($0), USE($1)", "z,z"(i32 0, i32 0) nounwind
+; CHECK: USE(xzr), USE(xzr)
+
+  tail call void asm sideeffect "USE($0), USE(${1:w})", "z,z"(i32 0, i32 0) nounwind
+; CHECK: USE(xzr), USE(wzr)
+
+  ret void
+}