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test/CodeGen/ARM/execute-only.ll
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| ; RUN: llc -mtriple=thumbv8m.base-eabi -arm-execute-only %s -o - | FileCheck --check-prefix=CHECK --check-prefix=CHECK-T2BASE %s | |||||
| ; RUN: llc -mtriple=thumbv7m-eabi -arm-execute-only %s -o - | FileCheck --check-prefix=CHECK --check-prefix=CHECK-T2 %s | |||||
| ; RUN: llc -mtriple=thumbv8m.main-eabi -arm-execute-only %s -o - | FileCheck --check-prefix=CHECK --check-prefix=CHECK-T2 %s | |||||
| @var = global i32 0 | |||||
| define i32 @global() minsize { | |||||
| ; CHECK-LABEL: global: | |||||
| ; CHECK: movw [[GLOBDEST:r[0-9]+]], :lower16:var | |||||
| ; CHECK: movt [[GLOBDEST]], :upper16:var | |||||
| %val = load i32, i32* @var | |||||
| ret i32 %val | |||||
| } | |||||
| define i32 @jump_table(i32 %c, i32 %a, i32 %b) #0 { | |||||
| ; CHECK-LABEL: jump_table: | |||||
| ; CHECK-T2: adr.w [[REG_JT:r[0-9]+]], .LJTI1_0 | |||||
| ; CHECK-T2: add.w [[REG_ENTRY:r[0-9]+]], [[REG_JT]], {{r[0-9]+}}, lsl #2 | |||||
| ; CHECK-T2: mov pc, [[REG_ENTRY]] | |||||
| ; CHECK-T2BASE: lsls [[REG_OFFSET:r[0-9]+]], {{r[0-9]+}}, #2 | |||||
| ; CHECK-T2BASE: adr [[REG_JT:r[0-9]+]], .LJTI1_0 | |||||
| ; CHECK-T2BASE: adds [[REG_ENTRY:r[0-9]+]], [[REG_OFFSET]], [[REG_JT]] | |||||
| ; CHECK-T2BASE: mov pc, [[REG_ENTRY]] | |||||
| ; CHECK-LABEL: .LJTI1_0: | |||||
| ; CHECK-NEXT: b.w | |||||
| ; CHECK-NEXT: b.w | |||||
| ; CHECK-NEXT: b.w | |||||
| ; CHECK-NEXT: b.w | |||||
| ; CHECK-NEXT: b.w | |||||
| ; CHECK-NEXT: b.w | |||||
| entry: | |||||
| switch i32 %c, label %return [ | |||||
| i32 1, label %sw.bb | |||||
| i32 2, label %sw.bb1 | |||||
| i32 3, label %sw.bb3 | |||||
| i32 4, label %sw.bb4 | |||||
| i32 5, label %sw.bb6 | |||||
| i32 6, label %sw.bb8 | |||||
| ] | |||||
| sw.bb: ; preds = %entry | |||||
| %add = add nsw i32 %a, 6 | |||||
| br label %return | |||||
| sw.bb1: ; preds = %entry | |||||
| %add2 = add nsw i32 %a, 4 | |||||
| br label %return | |||||
| sw.bb3: ; preds = %entry | |||||
| %sub = add nsw i32 %a, -3 | |||||
| br label %return | |||||
| sw.bb4: ; preds = %entry | |||||
| %add5 = add nsw i32 %b, 5 | |||||
| br label %return | |||||
| sw.bb6: ; preds = %entry | |||||
| %add7 = add nsw i32 %a, 1 | |||||
| br label %return | |||||
| sw.bb8: ; preds = %entry | |||||
| %add9 = add nsw i32 %a, 2 | |||||
| br label %return | |||||
| return: ; preds = %entry, %sw.bb8, %sw.bb6, %sw.bb4, %sw.bb3, %sw.bb1, %sw.bb | |||||
| %retval.0 = phi i32 [ %add9, %sw.bb8 ], [ %add7, %sw.bb6 ], [ %add5, %sw.bb4 ], [ %sub, %sw.bb3 ], [ %add2, %sw.bb1 ], [ %add, %sw.bb ], [ 0, %entry ] | |||||
| ret i32 %retval.0 | |||||
| } | |||||
| @.str = private unnamed_addr constant [4 x i8] c"FOO\00", align 1 | |||||
| define hidden i8* @string_literal() { | |||||
| entry: | |||||
| ; CHECK-LABEL: string_literal: | |||||
| ; CHECK-NOT: .asciz | |||||
| ; CHECK: .fnend | |||||
| ret i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i32 0, i32 0) | |||||
| } | |||||