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| ; RUN: llc -mtriple=aarch64-linux-gnu -verify-machineinstrs -o - %s | FileCheck %s
%struct_type = type { [10000 x i32], i32, i32 }
define void @test1(%struct_type** %s, i32 %n) {
; CHECK-LABEL: test1
entry:
%struct = load %struct_type*, %struct_type** %s
br label %while_cond
while_cond:
%phi = phi i32 [ 0, %entry ], [ %i, %while_body ]
; CHECK: mov w{{[0-9]+}}, #40000
; CHECK-NOT: mov w{{[0-9]+}}, #40004
%gep0 = getelementptr %struct_type, %struct_type* %struct, i64 0, i32 1
%gep1 = getelementptr %struct_type, %struct_type* %struct, i64 0, i32 2
%cmp = icmp slt i32 %phi, %n
br i1 %cmp, label %while_body, label %while_end
while_body:
; CHECK: str w{{[0-9]+}}, [x{{[0-9]+}}, #4]
%i = add i32 %phi, 1
store i32 %i, i32* %gep0
store i32 %phi, i32* %gep1
br label %while_cond
while_end:
ret void
}
define void @test2(%struct_type* %struct, i32 %n) {
; CHECK-LABEL: test2
entry:
%cmp = icmp eq %struct_type* %struct, null
br i1 %cmp, label %while_end, label %while_cond
while_cond:
%phi = phi i32 [ 0, %entry ], [ %i, %while_body ]
; CHECK: mov w{{[0-9]+}}, #40000
; CHECK-NOT: mov w{{[0-9]+}}, #40004
%gep0 = getelementptr %struct_type, %struct_type* %struct, i64 0, i32 1
%gep1 = getelementptr %struct_type, %struct_type* %struct, i64 0, i32 2
%cmp1 = icmp slt i32 %phi, %n
br i1 %cmp1, label %while_body, label %while_end
while_body:
; CHECK: str w{{[0-9]+}}, [x{{[0-9]+}}, #4]
%i = add i32 %phi, 1
store i32 %i, i32* %gep0
store i32 %phi, i32* %gep1
br label %while_cond
while_end:
ret void
}
define void @test3(%struct_type* %s1, %struct_type* %s2, i1 %cond, i32 %n) {
; CHECK-LABEL: test3
entry:
br i1 %cond, label %if_true, label %if_end
if_true:
br label %if_end
if_end:
%struct = phi %struct_type* [ %s1, %entry ], [ %s2, %if_true ]
%cmp = icmp eq %struct_type* %struct, null
br i1 %cmp, label %while_end, label %while_cond
while_cond:
%phi = phi i32 [ 0, %if_end ], [ %i, %while_body ]
; CHECK: mov w{{[0-9]+}}, #40000
; CHECK-NOT: mov w{{[0-9]+}}, #40004
%gep0 = getelementptr %struct_type, %struct_type* %struct, i64 0, i32 1
%gep1 = getelementptr %struct_type, %struct_type* %struct, i64 0, i32 2
%cmp1 = icmp slt i32 %phi, %n
br i1 %cmp1, label %while_body, label %while_end
while_body:
; CHECK: str w{{[0-9]+}}, [x{{[0-9]+}}, #4]
%i = add i32 %phi, 1
store i32 %i, i32* %gep0
store i32 %phi, i32* %gep1
br label %while_cond
while_end:
ret void
}
declare %struct_type* @foo()
declare void @foo2()
define void @test4(i32 %n) personality i32 (...)* @__FrameHandler {
; CHECK-LABEL: test4
entry:
br label %while_cond
while_cond:
%phi = phi i32 [ 0, %entry ], [ %i, %while_body ]
%struct = invoke %struct_type* @foo() to label %while_cond_x unwind label %cleanup
while_cond_x:
; CHECK: mov w{{[0-9]+}}, #40000
; CHECK-NOT: mov w{{[0-9]+}}, #40004
%gep0 = getelementptr %struct_type, %struct_type* %struct, i64 0, i32 1
%gep1 = getelementptr %struct_type, %struct_type* %struct, i64 0, i32 2
store i32 0, i32* %gep0
%cmp = icmp slt i32 %phi, %n
br i1 %cmp, label %while_body, label %while_end
while_body:
; CHECK: str w{{[0-9]+}}, [x{{[0-9]+}}, #4]
%i = add i32 %phi, 1
store i32 %i, i32* %gep0
store i32 %phi, i32* %gep1
br label %while_cond
while_end:
ret void
cleanup:
%x10 = landingpad { i8*, i32 }
cleanup
call void @foo2()
resume { i8*, i32 } %x10
}
declare i32 @__FrameHandler(...)
define void @test5([65536 x i32]** %s, i32 %n) {
; CHECK-LABEL: test5
entry:
%struct = load [65536 x i32]*, [65536 x i32]** %s
br label %while_cond
while_cond:
%phi = phi i32 [ 0, %entry ], [ %i, %while_body ]
; CHECK: mov w{{[0-9]+}}, #14464
; CHECK-NOT: mov w{{[0-9]+}}, #14468
%gep0 = getelementptr [65536 x i32], [65536 x i32]* %struct, i64 0, i32 20000
%gep1 = getelementptr [65536 x i32], [65536 x i32]* %struct, i64 0, i32 20001
%cmp = icmp slt i32 %phi, %n
br i1 %cmp, label %while_body, label %while_end
while_body:
; CHECK: str w{{[0-9]+}}, [x{{[0-9]+}}, #4]
%i = add i32 %phi, 1
store i32 %i, i32* %gep0
store i32 %phi, i32* %gep1
br label %while_cond
while_end:
ret void
}
declare i8* @llvm.strip.invariant.group.p0i8(i8*)
define void @test_invariant_group(i32) {
; CHECK-LABEL: test_invariant_group
br i1 undef, label %8, label %7
; <label>:2: ; preds = %8, %2
br i1 undef, label %2, label %7
; <label>:3: ; preds = %8
%4 = getelementptr inbounds i8, i8* %9, i32 40000
%5 = bitcast i8* %4 to i64*
br i1 undef, label %7, label %6
; <label>:6: ; preds = %3
store i64 1, i64* %5, align 8
br label %7
; <label>:7: ; preds = %6, %3, %2, %1
ret void
; <label>:8: ; preds = %1
%9 = call i8* @llvm.strip.invariant.group.p0i8(i8* nonnull undef)
%10 = icmp eq i32 %0, 0
br i1 %10, label %3, label %2
}
|