Imported Upstream version 5.18.0.205

Former-commit-id: 7f59f7e792705db773f1caecdaa823092f4e2927

external/llvm/test/CodeGen/ARM/fast-isel-frameaddr.ll

@@ -0,0 +1,94 @@
+; RUN: llc < %s -O0 -verify-machineinstrs -fast-isel-abort=1 -mtriple=armv7-apple-ios | FileCheck %s --check-prefix=DARWIN-ARM
+; RUN: llc < %s -O0 -verify-machineinstrs -fast-isel-abort=1 -mtriple=armv7-linux-gnueabi | FileCheck %s --check-prefix=LINUX-ARM
+; RUN: llc < %s -O0 -verify-machineinstrs -fast-isel-abort=1 -mtriple=thumbv7-apple-ios | FileCheck %s --check-prefix=DARWIN-THUMB2
+; RUN: llc < %s -O0 -verify-machineinstrs -fast-isel-abort=1 -mtriple=thumbv7-linux-gnueabi | FileCheck %s --check-prefix=LINUX-THUMB2
+
+define i8* @frameaddr_index0() nounwind {
+entry:
+; DARWIN-ARM-LABEL: frameaddr_index0:
+; DARWIN-ARM: push {r7, lr}
+; DARWIN-ARM: mov r7, sp
+; DARWIN-ARM: mov r0, r7
+
+; DARWIN-THUMB2-LABEL: frameaddr_index0:
+; DARWIN-THUMB2: push {r7, lr}
+; DARWIN-THUMB2: mov r7, sp
+; DARWIN-THUMB2: mov r0, r7
+
+; LINUX-ARM-LABEL: frameaddr_index0:
+; LINUX-ARM: push {r11, lr}
+; LINUX-ARM: mov r11, sp
+; LINUX-ARM: mov r0, r11
+
+; LINUX-THUMB2-LABEL: frameaddr_index0:
+; LINUX-THUMB2: push {r7, lr}
+; LINUX-THUMB2: mov r7, sp
+; LINUX-THUMB2: mov r0, r7
+
+  %0 = call i8* @llvm.frameaddress(i32 0)
+  ret i8* %0
+}
+
+define i8* @frameaddr_index1() nounwind {
+entry:
+; DARWIN-ARM-LABEL: frameaddr_index1:
+; DARWIN-ARM: push {r7, lr}
+; DARWIN-ARM: mov r7, sp
+; DARWIN-ARM: ldr r0, [r7]
+
+; DARWIN-THUMB2-LABEL: frameaddr_index1:
+; DARWIN-THUMB2: push {r7, lr}
+; DARWIN-THUMB2: mov r7, sp
+; DARWIN-THUMB2: ldr r0, [r7]
+
+; LINUX-ARM-LABEL: frameaddr_index1:
+; LINUX-ARM: push {r11, lr}
+; LINUX-ARM: mov r11, sp
+; LINUX-ARM: ldr r0, [r11]
+
+; LINUX-THUMB2-LABEL: frameaddr_index1:
+; LINUX-THUMB2: push {r7, lr}
+; LINUX-THUMB2: mov r7, sp
+; LINUX-THUMB2: mov r0, r7
+; LINUX-THUMB2: ldr r0, [r0]
+
+  %0 = call i8* @llvm.frameaddress(i32 1)
+  ret i8* %0
+}
+
+define i8* @frameaddr_index3() nounwind {
+entry:
+; DARWIN-ARM-LABEL: frameaddr_index3:
+; DARWIN-ARM: push {r7, lr}
+; DARWIN-ARM: mov r7, sp
+; DARWIN-ARM: ldr r0, [r7]
+; DARWIN-ARM: ldr r0, [r0]
+; DARWIN-ARM: ldr r0, [r0]
+
+; DARWIN-THUMB2-LABEL: frameaddr_index3:
+; DARWIN-THUMB2: push {r7, lr}
+; DARWIN-THUMB2: mov r7, sp
+; DARWIN-THUMB2: ldr r0, [r7]
+; DARWIN-THUMB2: ldr r0, [r0]
+; DARWIN-THUMB2: ldr r0, [r0]
+
+; LINUX-ARM-LABEL: frameaddr_index3:
+; LINUX-ARM: push {r11, lr}
+; LINUX-ARM: mov r11, sp
+; LINUX-ARM: ldr r0, [r11]
+; LINUX-ARM: ldr r0, [r0]
+; LINUX-ARM: ldr r0, [r0]
+
+; LINUX-THUMB2-LABEL: frameaddr_index3:
+; LINUX-THUMB2: push {r7, lr}
+; LINUX-THUMB2: mov r7, sp
+; LINUX-THUMB2: mov r0, r7
+; LINUX-THUMB2: ldr r0, [r0]
+; LINUX-THUMB2: ldr r0, [r0]
+; LINUX-THUMB2: ldr r0, [r0]
+
+  %0 = call i8* @llvm.frameaddress(i32 3)
+  ret i8* %0
+}
+
+declare i8* @llvm.frameaddress(i32) nounwind readnone